This is a program I utilize routinely for my clients.There are lots of options outside of a HELOC, or shorter 15-20 year amortizations that many conventional banks offer.

Benjamin,I am not sure if you know this or not but there are a few programs out there that offer Physicians 100% financing up to $1-Million dollars.

There are a lot of groups on Facebook about wholesaling where you can offer your deals.

While you don't need to become a licensed real estate agent to explore other avenues for tax savings, engaging in a self-employed side job can indeed offer more opportunities for deductions.To maximize your tax savings, it's advisable to seek the expertise of a CPA specialized in real estate.

Will either have a greater likelihood of offering a higher credit line? 

What can you offer in return?

I’m personally happier entering into longer leases, even though they purport to offer premiums over market rents.

If instead the house could be rented now with minimal work, you might consider offering it as a lease-purchase.

Nice of you to offer them some help!

Help the claimant with an immediate need - finding medical care, etc.