@James McGovernGeraci and Doss have standard docs - believe one site is called lighting docsI have a set from my own attorney as I want specific language included in the documents

Look for a site My Perfect Mortgage dot com.

You may need some other consultants, like geotech engineer (soils report), site lighting engineer, etc. 

Tenant verification sites, which charge for nationwide criminal, income, and credit checks, are clearing these applicants.

Searched four sites and came up with a different decision than your original decision to go with them. 

Are there free expired listings sites.

Compare your potential property to others currently on Airbnb and other STR sites.

If Airbnb is an option for your spare bedroom then that's great, personally when I first started I didn't want to have to deal with the in and outs of people and also making my place aesthetic enough that it would rank well on Airbnb so I went straight to long term rentals but if you want to dip your toe in the water it could be a good option if shorter term tenants make you more comfortable. 

Quote from @Jason Kornreich: New to the site. 

I've heard of mentees who started cleaning up construction areas on a flip at the end of each work day or picking up supplies at Home Depot and delivering them to the job site.