Check the Association & Rental Restrictions•If the property is in a condo association, verify whether there are rental restrictions (e.g., one-year ownership before renting, minimum lease terms, or rental caps in the community).

You can also check meetup.com or search Facebook for real estate investment groups, clubs, or meetings in your area. 

Quote from @Adriana Medina: I told the prospective tenant I was going to complete a background check and she said it should be clean. 

Have you checked similar listings in the area to see how quickly they are renting?

Some folks are individuals doing this and others are working in companies and have folks who are developers, land specific professionals, and etc and can fact check.

Chi Ta program offer 12-month membership for $10k with financing and help in getting first arbitrage from landlord.I'm about to sign up but wanted to do my due diligence I want to check with people here if this is legit and if the program is worth the money they as asking for.

Yes check with the county to make sure permits were pulled for the addition.Make sure this is permitted to be a STR with the bedroom count you expect.Something may be unpermitted if they still have a 2 bedroom septic tank.

@Jillian Alonge A HELOC provides quick access to equity for your next property but transferring the property to an LLC via quitclaim deed may trigger the due-on-sale clause—check with your lender.

Check out Norada Capital with a simple no fees structure and 12-15% annual yield depending on how much you invest.  

If the numbers check out and you have a solid plan, it could be a great opportunity!