Some have said it is automatically trademarked once you use it, but it will not be registered unless I go that route, which appears expensive.

@Bradley Bogdan,To make the @ work, do the following: Hold down the shift key and type @?

@Anita Oakley,To make the @ work, do the following: Hold down the shift key and type @?

Your accountant will thank you for it, plus if something goes wrong in your book keeping you automatically isolate the problem to just one property instead of your entire operation.

@Randy Rion To make the @ work, do the following: Hold down the shift key and type @?

@Yusuf Mathai,To make the @ work, do the following: Hold down the shift key and type @?

Repayment of the loan would be an automatic after-tax payroll deduction.

@Eric Benoit,To make the @ work, do the following: Hold down the shift key and type @?

This will automatically cause rentability and typical prospective tenant issues. 

If you were not comfortable with her becoming month to month after the end of the lease then you should have structured your lease to have an auto renew clause where the lease automatically renews for another 12 month term unless either party gives written notice 60 days prior.