On claiming mileage and home office deductions
"Can she claim deductions for her driving to and from work? Considering most people use their cars mostly to commute to/from work, there must be limits to what you can consider ""claimable"" and what you can't, otherwise everyone would claim back 80% of their mileage. No, she can't. But if she's driving from one work site to another, that's deductible whether or not either of the work sites is her home office. Can she claim deductions for her home office? There's a specific set of IRS tests you have to meet. If she meets them, she can. If you're self-employed, reasonably need an office, and have a place in your house dedicated to that purpose, you will likely meet all the tests. Can I claim deductions for my home office, even though I have an official work place that is not in my home? It's very hard to do so. The use of your home office has to benefit your employer, not just you. Can we claim deductions for our home internet service? If the business or home office uses them, they should be a deductible home office expense in some percentage. Usually for generic utilities that benefit the whole house, you deduct at the same percentage as the home office is of the entire house. But you can use other fractions if more appropriate. For example, if you have lots of computers in the home office, you can deduct more of the electricity if you can justify the ratio you use. Run through the rules at the IRS web page."
There are other answers here about how much you can deduct for a home office. What seems unique is the question of whether you can deduct it for both your LLC and for your employment. Unless your LLC owns the home, you cannot deduct the depreciation directly. Instead you have to charge your LLC rent for the time that you are using the space for the LLC. That rent must be declared as income on your personal tax return, and you can then offset some of it with the time you spend in that space working for your employer and depreciation for time it is being rented to your LLC. Using a strategy this complex may save you a few bucks on your return, but this is definitely an area where a tax professional is worth the expense making sure you get it right. It depends on how complex your return is.  If the only reason you are not using the 1040EZ is because you are over the $ limits, you probably don't need the audit insurance.  Look at the sources of your income. A W-2 per person, some 1099's from your bank, and you take the standard deduction because you rent, you probably don't need it. If you are a day trader, and you claim to have a home office, and your return runs dozens of pages, it might not be a bad deal. "No, your business cannot deduct your non-business expenses.  You can only deduct from your business income those reasonable expenses you paid in order to earn income for the business. Moreover, for there to be a tax benefit, your business generally has to have income (but I expect there are exceptions; HST input tax credits come to mind.) The employment income from your full-time job wouldn't count as business income for your corporation. The corporation has nothing to do with that income – it's earned personally, by you. With respect to restaurant bills: These fall under a category known as ""meals & entertainment"".  Even if the expense can be considered reasonable and business-related (e.g. meeting customers or vendors) the Canada Revenue Agency decided that a business can only deduct half of those kinds of expenses for tax purposes. With respect to gasoline bills: You would need to keep a mileage and expense log. Only the portion of your automobile expenses that relate to the business can be deducted.  Driving to and from your full-time job doesn't count. Of course, I'm not a tax professional.  If you're going to have a corporation or side-business, you ought to consult with a tax professional. (A point on terminology: A business doesn't write off eligible business expenses — it deducts them from business income.  Write off is an accounting term meaning to reduce the value of an asset to zero. e.g. If you damaged your car beyond repair, one could say ""the car is a write-off."")" This is a frequent problem for anyone with a large amount of deductions, whether it is student loan interest, home mortgage interest, charitable contributions, or anything else.  As an employee getting your tax withheld from your check, your options to reduce the amount withheld are limited. The HR department has no control over how much they withhold; the amount is calculated using a standard formula based on the number of exemptions you tell them.  The number of exemptions you claim on your W-4 form does not have to match reality. If you currently have 1 exemption claimed, ask them what the withholding would be if you claimed 4 exemptions. If that's not enough, go higher. As long as you are not withholding so little that you have a large tax bill at the end of the year, you are fine.  Of course, when you do your taxes, you need to have the correct number of exemptions claimed on your 1040, but this number does not need to match your W-4. The problem with your profession is that it is hard to distinguish those activities as 'services rendered' or just a 'pastime hobby'. If you believe that both of those activities constitutes a 'service rendered in a professional capacity', then you should include it into the 'Goods and services for your own use' field. However, should you believe that those services rendered was not in a professional capacity and it was in a personal one (i.e. helping out), you need not include it in the field. In addition, should you feel that the pro-bono services rendered overlaps with your professional freelance work in any way, you might want to consider the service rendered to your dad and yourself as a 'professional service' and include it in Goods and services for your own use. Such examples include (but not limited to): It might be wise to call up the HMRC to clarify on your particular situation. But what I know is, this box was created to ensure that such services rendered should be considered a profit (i.e. an advantage, adds value) and not a loss (or no value). The answer on the Canadian Government's website is pretty clear:  Most employees cannot claim employment expenses. You cannot deduct the   cost of travel to and from work, or other expenses, such as most tools   and clothing. However, that is most likely related to a personal vehicle. There is a deduction related to Public Transportation:  You can claim cost of monthly public transit passes or passes of   longer duration such as an annual pass for travel within Canada on   public transit for 2016. The second sleeping residence is hard to justify as the individual is choosing to work in this town and this individual is choosing to spent the night there - it is not currently a work requirement.  As always, please consult a certified tax professional in your country for any final determinations on personal (and corporate) tax laws and filings. The 'same day rule' in the UK is a rule for matching purposes only.  It says that sales on any day are matched firstly with purchases made on the same day for the purposes of ascertaining any gain/loss. Hence the phrase 'bed-and-breakfast' ('b&b') when you wish to crystalise a gain (that is within the exempt amount) and re-establish a purchase price at a higher level.  You do the sale on one day, just before the market closes, which gets matched with your original purchase, and then you buy the shares back the next day, just after the market opens.  This is standard tax-planning.  Whenever you have a paper gain, and you wish to lock that gain out of being taxed, you do a bed-and-breakfast transaction, the idea being to use up your annual exemption each and every year.  Of course, if your dealing costs are high, then they may outweigh any tax saved, and so it would be pointless. For the purpose of an example, let's assume that the UK tax year is the same as the calendar year. Scenario 1. Suppose I bought some shares in 2016, for a total price of Stg.50,000. Suppose by the end of 2016, the holding is worth Stg.54,000, resulting in a paper gain of Stg.4,000. Question.  Should I do a b&b transaction to make use of my Stg.11,100 annual exemption ? Answer.  Well, with transaction costs at 1.5% for a round-trip trade, suppose, and stamp duty on the purchase of 0.5%, your total costs for a b&b will be Stg1,080, and your tax saved (upon some future sale date) assuming you are a 20% tax-payer is 20%x(4,000-1,080) = Stg584 (the transaction costs are deductible, we assume).  This does not make sense. Scenario 2. The same as scenario 1., but the shares are worth Stg60,000 by end-2016. Answer.  The total transaction costs are 2%x60,000 = 1,200 and so the taxable gain of 10,000-1,200 = 8,800 would result in a tax bill of 20%x8,800 = 1,760 and so the transaction costs are lower than the tax to be saved (a strict analysis would take into account only the present value of the tax to be saved), it makes sense to crystalise the gain.  We sell some day before the tax year-end, and re-invest the very next day. Scenario 3. The same as scenario 1., but the shares are worth Stg70,000 by end-2016. Answer.  The gain of 20,000 less costs would result in a tax bill for 1,500 (this is: 20%x(20,000 - 2%x70,000 - 11,100) ).  This tax bill will be on top of the dealing costs of 1,400.  But the gain is in excess of the annual exemption.  The strategy is to sell just enough of the holding to crystallise a taxable gain of just 11,100. The fraction, f%, is given by: f%x(70,000-50,000) - 2%xf%x70,000 = 11,100 ... which simplifies to: f% = 11,100/18,600 = 59.68%. The tax saved is 20%x11,100 = 2,220, versus costs of 2%x59.58%x70,000 = 835.52. This strategy of partial b&b is adopted because it never makes sense to pay tax early ! End. If this is a business expense - then this is what is called reimbursement. Reimbursement is usually not considered as income since it is money paid back to you for an expense you covered for your employer with your after-tax money. However, for reimbursement to be considered properly executed, from income tax stand point, there are some requirements. I'm not familiar with the UK income tax law specifics, but I reason the requirements would not differ much from places I'm familiar with: before an expense is reimbursed to you, you should usually do this:  Show that the expense is a valid business expense for the employer benefit and by the employer's request. Submit the receipt for reimbursement and follow the employer's procedure on its approval. When income tax agent looks at your data, he actually will ask about the £1500 tab. You and you'll employer will have to do some explaining about the business activity that caused it. If the revenue agent is not satisfied, the £750 that is paid to you will be declared as your income. If the required procedures for proper reimbursement were not followed - the £750 may be declared as your income regardless of the business need. Have your employer verify it with his tax accountant.