after that they have no charge for finding tenants. 

Brian, Dave is about 10 years behind, he's still in the predatory mind set of charging more for financing and the ability to take it back and do it someone else.

Some attorneys only charge a few hundred to help set some up and some charge thousands. 

I order a Municipal Lien Certificate from the city (confirms if taxes are outstanding as well as water, betterments etc) I used to do the title exam myself but the national title company want a third party because they would also have malpractice if anything is missed) I review what they send me and make a judgment as to the marketability of the title or if there are any other issue so the mortgage company is in first place (so I would order pay offs of any current mortgages or judgment liens, etc)Most of the registry of deeds info is available on line so I can double check or do a preliminary search (or anyone can search for that matter) As for getting copies on line, you usually need to be registered and have an account because they do charge by the copy.

For example Real Property Management charges a $200 fee to the tenant to write a lease on top of $49 per applicant.

Except you may have to evict on a regular basis, which reduces the net.Tenant Selection Criteria=The kind of tenants in low class property open the door for way more issues beside just the numbers.The only time I buy property in a low class area is if the ARV (Equity has to be substantial) and the cash flow on only 50% of the units meet my ROI.  ...and on a side note, as a Property Manager, you will be charged more than 10% on Class D units (Either in the monthly percent charge or in fees: Trip Charges, Evictions, Make-Ready, Maintenance, etc.) 

If someone is renting a home from me, I have already ensured I am charging them a price that can cover my mortgage and expenses and still yield a decent profit. 

They might drop the charges or settle for a lower than 1 month rent amount.

If the other buildings on my block are all PM managed at let's say, $800/mo...and they're charging 10%, why not discount my rent a little and have my pick of tenants, plus, they know what the other bldgs are charging, what few vacancies I have are often filled by neighboring bldgs...

Pay particular attention to how much of a deposit you need to provide, to be authorized to bid.Look into the fee structure they site charges and if it is above and beyond your bid price, or included.Download their "sample contract" and go over it...Then...