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

Schwab wants to charge me interest on the money I received for selling TSLA short
I agree with Mark.  I was quite confuse about the short position at first but then I did a lot of learning and found out that as long as you have enough cash to cover your margin requirement you do not pay any interest since you do not have a debit on your margin balance.  This is not true for a long position though, supposed you have 5k cash and 5k margin balance, if you buy 10K worth of stocks then you will need to pay interest on the 5k of the margin balance since it is a debit.  Since shorting is done at a credit basis, you actually get interest from the transaction but you still may need to pay the borrowing fees for the stocks so they could simply balance each other out.  I have shorted stocks twice through two different companies and neither time I noticed any interest charges.  But make sure you have enough cash to cover your margin requirement, because once your margin balance is used to covered your position then interest would accrual. Learn.