My question is: I see on here where I state the end of the lease, but I don't see on here where I can specify penalties (a fee, for example) if my new tenants want to break lease and move out early.

@Brent Kiger I've been using rentigo for a while now and am really happy - @Cornelius Dudley is right - the tenants pay a service fee for using credit card or ACH and I'm assuming that's where they make their money from. 

I am a wholesaler/flipper in general...so on wholesale side I get paid by assignment fee.

I am a wholesaler/flipper in general...so on wholesale side I get paid by assignment fee.

Whether you win or lose in a suit, often times the attorney fees are out of your pocket.

Why not just use a 5% property management fee?

He had it on the market, took it off to "pay a fee that will increase value".

Inspection cost-Lender fees-Closing cost-Mortgage payments-Property taxes-Utilities-Insurance-Commissions-Selling closing cost-Home warranty-Termite letter-MLS fees-

@Jeffrey Linville trash and recycling fees are determined on a city by city basis.  

Second there are ongoing expenses, fees and dues that will quickly eat up the profit from a hand full of deals.