Zoning, buildouts, service contracts, advanced mechanical systems etc. none of which are encountered in residential.

Tell the tenant you will only accept payment in full with certified funds.3.

BiggerPockets is full of resources designed to help you along your journey, whether you are just getting started or a seasoned investor.

Risk that the IRS will challenge it, which is far more likely than with a full-service professional report3.

Also, your profile says that you're a real estate agent in Canada.

My investors expect me to source financing for a deal and not retain a service to do what I am expect to do as part of my fees.

This place has terrible customer service.

I am about to start a full rehab on a 5 unit brownstone in Bed-Stuy...

Do you have a service or website you prefer to handle direct mail?

I would say it could be done, just need to have the following:#1 - Have great overall knowledge of that market, and better than agents.#2 - Learn how to run comps so you know the value of the property better than anyone. #3 - Have finances in order (i.e) is this going to be bought through conventional, cash, HML, etc.