.: I would never give the party on the opposite end of the transaction POA over the property, or my social, DOB etc.

I have read I will need to use a third party service to make this happen.  

Perform the same task in each app to ensure a fair comparison.Load a property with pictures and details.Market that property.See what your marketing looks like from the public's perspective.Submit a fake application to see how easy the process is.Run a credit/screening report on yourself.Enter a maintenance request, assign a vendor, and attach a fake invoice.Enter charges to the tenant's ledger.Enter recurring charges and automatic late fees.Sign documents electronically.Run owner reports.After testing a few apps, one should clearly stand out.

Plus say another 4 feet with the person standing. 

I've done a couple of direct loans, but for the most part, I work with a mortgage broker who brings deals to me.

One thing you might think of doing is having and promoting your own website to avoid the exhorbitant fees charged by the third party sites such as Expedia, Booking.com and Air BnB.  

Looks like they had one hell of a NYE party.

It was a great niche for many years, but that market has mostly disappeared with legalization of pot in CA, which has pot prices crash.I have also used seller financing in purchasing REO and other real estate purchases and these have worked out really well for all parties.

PMs are busy - if you email a PM and say "Hey PM, I'm looking at 123 Main St. and I think it will rent for $1500 a month, does that sounds right?"

If it’s tied directly to the lender as part of your mortgage agreement, you’d probably need to negotiate with them or refinance with a different lender who doesn’t require that restriction.However, if the restriction is part of the property deed itself and was placed by a previous owner or another party, it can be more complicated.