I'd recommend looking at costs. your build cost is going to be well over other homes because of the fixed costs like slab, Hvac, roof, etc. check the market drivers and weight the benefits of short term versus long term. long term is no furniture and help pays mortgage but at this size it doesn't really cover everything. we didn't find a lot of economies of scale in single family detached. can you build more than one unit?

@Sean Spagnola - I always like to have photos of recent comps in my back pocket to help with the design of a BRRRR to ensure that the finishes are similar/same to the market. 

any help from anyone would be appreciated?

We have a local roadside assistance company here that charges only $15 a month for hassle free roadside help here at the apartments and around our valley for our student tenants  that may be new to car troubles and away from home!

Would a DSCR loan be a better option than a hard money loan for this project?

You're certainly correct, this market it pretty awesome, which brings in a lot of competition. 

I second what has been said about using a HELOC to help fund your purchase and rehab.

This could help decide if the income is enough.  

It may be more worthwhile to find someone who has reasonable fees for their service as my two cents.I hope this helps in some way! 

If you have this debt and need money, you may not be preparing yourself for the challenges of being a landlord.