There are a few options(1)You can get connected with the larger wholesaler firms in the area (2) go through PCPAO site and skiptrace the buyers of similar properties as yours, (3) hunt down the agents involved in the sale of properties similar to yours or go to local REI meetings and pitch it to the investors there. 

If your manager is just 'keeping an eye' on things, collecting/reminding on a few rents here and there and some light cleanup while being compensated in free or reduced space rent then classifying them as 1099 subcontractor is great. 

you have to learn land entitlement. we identified a site today for hotel development that was an 18000 sq ft lot.

STR feels more like a strategy to break even or eek out a meager return on a great asset than a strategy to cashflow.

Also, without even looking at the plans a 7 unit building will likely have flawed floor plans and/ or an inefficient layout unless its an irregular site.

It's great for doing research, comps, etc. 

Toxic waste site on Super Fund List  6.

I have a GREAT rolodex of folks if you need connections. 

@Raul Velazquez The 3 things I would recommend besides reading books/audio/sites are:1.

I think courses are great as long as they are reasonably priced (think $500 or less).