Need Advice! First-time investor with potential flip

[Mauricio Trigueros]

Hello, I'm a first-time real estate investor living in New Hampshire with a flipping opportunity. My girlfriend and I were originally looking to buy a multi-family home and house hack in the NH/MA area, but the prices have been pushed up too high for us to afford. Her grandmother passed away recently and her mother, knowing we've been looking to invest, offered us the option of buying the property from her and her 3 other siblings. It's currently listed as a 2 bedroom 1 bath, but there's a large basement with potential for a second bathroom. Most of the changes would be cosmetic, aside from one or two small projects.

My girlfriend and I would love to buy it, fix some things, and re-list it shortly after, but we aren't sure how long that would take or if we can get financing and afford the living expenses while making repairs. My girlfriend's mother offered to leave her share of the equity untouched so that we could pay back her 3 siblings for now and split the profits with her after flipping it. The house is currently listed in Massachusetts for $335k but we would only need financing for $250k, which is a huge help and the reason for my post.

Any advice from experts in New England (or anywhere really) on how to go about financing or thoughts on this situation would be greatly appreciated.