Based on your financial expertise, provide your response or viewpoint on the given financial question or topic. The response format is open.

What are my investment options in real estate?
Your post seems to read as if you want to invest only in real estate rental properties as a start because they will be a reliable investment guaranteed to generate profits that you will be plowing back into buying even more rental properties, but you are willing to consider (possibly in later years) other forms of investment (in real estate) that will not require active  participation in the management of the rental properties. While many participants here do own rental real estate and even manage it entirely, for most people, that is only a small part of their investment portfolio, and I suspect that hardly any will recommend real estate as the only investment the way you seem to want to do. Also, you might want to look more closely at the realities of rental real estate  operations before jumping in. Things are not necessarily as rosy as they appear to you now.  Not all your units will be rented all the time, and the rental income might not always be enough to cover the mortgage payments and the property taxes and the insurance payments and the repairs and maintenance and ... Depreciation of the property is another matter that you might not have thought about. That being said, you can invest in real estate through real estate investment trusts (REITs) or through limited partnerships where you have only a passive role.  There are even mutual funds that invest in REITs or in REIT indexes.