If the individuals are on Section 8, I have that money go to the company, not me, I get paid electronically by the company.... rinse and repeat....

Otherwise, you may panic after closing and just go with the one that has the flashiest web site or the lowest (advertised) fees.That said, it is common for a manager to charge up to one month's rent to place the tenant and then a percentage of the rent collected after that.

If you look at patterns, you see the same posters with the same cut and paste response over and over.The constant advertising to "let me help you" can be annoying and may - I stress MAY -  work in some cases, but I will also say that as BP has progressed, those types of ads and cut and paste responses only hurt those posters.  

Ask if there are any any additional fees for maintenance, advertising, evictions, etc... and make sure they are outlined in the agreement.

https://www.lowes.com/pd/Kwikset-SmartCode-SmartKey-Venetian-Bronze-Single-Cylinder-Motorized-Electronic-Entry-Door-Deadbolt-with-Keypad/50281629?

Then you have to get insurance and advertise.

When you know a unit will turnover (ask tenants early if they will renew or leave), start advertising the unit asap.  

Based on an old advertisement I saw on LoopNet and some rental comps, I think the commercial space rents for $3,500-$5,000.

In this situation you are allowed to deny protected class, but not allowed to advertise against protected class or allowed disclose that as the reason you denied. 

He offered 210K cash for a property to a large wholesaler (WS) who was advertising it for 225K.