I have sold all but one of my personal investment properties and decided to invest with others in passive deals with sponsors of larger apartment complex's, trailer parks and others.

I agree with Patricia, if you are looking for a great location, don't let the price be the deal breaker. 

Small size like 50 to 75 to begin with my first deal, what about that situation? 

My tenants all have jobs and I don't deal with druggies and etc. 

I've been using Dealcheck.io to do deal analysis but have been hearing a lot about Backflip recently.

Find a deal through wholesaler (in this case)3.

.: First understand that people lie, oops I mean, "fake it 'til they make it"It doesn't matter if it's number of units, SubTo deals, net worth, number of doors, or any measurement of success.

You'll rarely find great deals on the MLS:(What you want to do is find a way to get a somewhat consistent stream of property leads.

Better still, using the 𝗖𝗼𝗼𝗽𝗲𝗿𝗮𝘁𝗶𝘃𝗲 𝗔𝘀𝘀𝗶𝗴𝗻𝗺𝗲𝗻𝘁 strategy, one of several types of lease options, you can do deals that are risk free and don’t require any cash out of pocket.

Property manager and assistant property manager (as your direct contact)cheap, fast, and good - typically you can only pick two