How to structure an agreement w/an investor

BP,

I have folks that have expressed interest in investing in my projects, but I am having trouble figuring out how to structure the agreement since I like to buy and hold. Here’s an example of one the deals.

3/1 for $60k. I will need to put in a little money, maybe $10k, but it will rent for $900. ARV will not go up significantly after repairs. How do I structure an agreement with an investor so that they will see value in funding this for at least 6 months, at which point I can refinance and pay them back?

Philip