Also ask for the rent roll (current tenants, rent amount) and copy of the leases so you know for instance the commercial tenant on the ground floor isn't leaving soon etc...

In my instance, I let them out of a contract but asked them for an additional month's rent and security deposit.  

For bigger accounts- for instance, if you're marketing to large apartment operators- I would send them the type of Fedex envelope that is guaranteed to have been received.

@Christopher FosterYou may consider going to wholesalers but keep in mind competition is stiff as well and a non-refundable EM is required in most instances.

But I also noticed that appliance companies have services that can be called if there is an appliance needs to be repaired. instance, GE has a service where you call them and they arrange for a vendor to check out what is wrong and repair it.

in this instance) anytime over what could go wrong in an attempt to be too fast and reckless in the process. 

In some instances assessed values doubled in a single year.

(say for instance smoking or having pets on the property when they are not supposed to)Didn't know the law concerning it and wanted to know if I can just add on that violation fee without a written warning first.

For instance, there was someone who was trying to offload a contract on a property for $875,000.  

For instance, say the $/sq. ft. is $100 and you've mostly seen 1500 sq. ft. 3 bed 2 bath houses selling for $300K in the area.