My question is since a lender is involved and I will be drafting up a contract how do I protect myself as to once I hand off the home he doesn't end up pushing me out (there is no sign of such and there is trust but this business)?

This is why 1/1s and 2/1s work so well for travel nurses.

Most lenders do not offer HELOCs on investment properties, so it may be difficult to find this product. 

this is very common.. 

Quote from @Karl Kauper: Good morning- Just “boosting” this thread this morning in hopes of more feedback from property owners in the Cleveland area.

Ideally completing light renovations like this shouldn't take long and you should  have a low holding cost on the hard money loan (if you used debt) and make a higher profit on the sale or have more flexibility on the payoff when you refinance  Plan on long-term and hold.

@Michelle SharkoAnswering questions in step by step fashion:- Is it a good thing to do or not is a personal finance decision and it depends on the person asking it, their risk tolerance which in part has to do with how this HELOC or line of credit works and how your personality fares relative to taking on new debt (a person more adverse to debt might have sufficient savings and temperament to pay down/back the debt versus a financially liberal person might get in over their skii's as).

Your drive to learn and network will be invaluable as you explore creative strategies that maximize returns and minimize upfront costs.Feel free to reach out, ask questions, and share experiences this community is a great resource for learning and connecting with like-minded investors.

A couple questions for the group.How challenging is it to mix STR with MTR in this way?

First, yes, this is a very common form of agent marketing.