I do not collect cash so the tenants either mail a money order, fill out the direct deposit form, pay online or are voucher tenants.

Obviously if the HUD voucher is more than your income will be higher.

Baltimore absolutely has its issues (I, personally, wouldn't live there due to the schools and crime), but as the saying goes "Live where you want to live, Invest where the numbers make sense".Some things to note as an investor: high property tax rate (but assessments tend to be lower), high reliance on voucher tenants, city government is a PIA to deal with.Get a great Realtor, get a licensed property manager (PMs aren't required to be licensed in MD, FYI) and start scouting neighborhoods.

An option you can take is to apply for section 8 housing vouchers.

They can lose their voucher, if they are breaking the rules. 

I'm actually surprised they're ok with letting him on the voucher.

If a tenant decides to move they can't have a new voucher if they have an outstanding balance with a utility company or the landlord.

@Tom R.I am one of the few lottery winners that took my first time winnings and never looked back.When I was 18 the Washington State Lottery sent me a voucher for $20 in free lottery tickets.

In my neck of the woods, section 8 does annual home inspections for everyone on a voucher.

@Jeremy Janszen     That's why I rent out to tenants that have Section 8 Vouchers.