These lenders originate their loans and hold them to maturity, like us, or they might sell them one at a time to an investor like you (?).

We offer 100% financing on both purchase and rehab (loan size up to 75% ARV) but only in 10 states.So if the location and the numbers are right, you can be as low as 0% down.Yes, this kind of leverage does exist on the short-term purchase and rehab loan, and for reasonable terms. 

I've seen programs that go down to a $100,000 USD loan amount for foreign national DSCR loans.

In fact, for tax sales in PA, the parcel number check is usually best performed first, to see what mortgages can be found (if any); seeing a big mortgage means it's best to move on to the next property on the list.And on a side note, IRS liens can be wiped out at foreclosure of any kind, provided the IRS lien is in a junior position and provided that proper notice is served upon the IRS. 

On the loans side, who is the lender JV?  

Dallas-Fort Worth offers growth and opportunity, but smaller markets like Sioux Falls or Des Moines provide stability.

The loan would be $1M+.

What loans are recommended?

This multifaceted approach can often shield them better against market downturns, providing a more resilient investment option. 

This is the value of having someone who has local experience.The company you said, if they are some "remote" company, I guess they could provide the things that you need and save money, but I would hesitate to feel confident if they do not have regional experience and that you would be left vulnerable if issues arise with the design later on.