While the location is great, parking is an issue, and can really only accommodate about 4 - 5 cars total at time reasonably. 

Do you have tips for structuring short-term leases that protect me as a landlord while accommodating their needs?

Listing at $2000 gives you room to accommodate voucher limits while still capturing the maximum rent possible.

You may see more "higher end" accommodations and hotels being developed.It's a trickle down effect.

It's a cluster, with months of uncertainty, and in my case 10s of thousands of dollars, because we had to upgrade the septic to accommodate the fourth unit, as if it wasn't working already.

You also need to accommodate tenant schedules for showings.Relisting later might reset your listing's visibility, but delaying could cost you more in lost income.

That said, you will find that many self-directed IRA custodians don't have the fully built pipes and plumbing to accommodate this.

If your current lender can’t accommodate you, explore STR-focused lenders like Host Financial or Lima One Capital, or consider bridge loans to buy time while you build your rental history.

Or, have they adjusted their project to accommodate a higher interest rate environment? 

For example, most Developers in the Seattle area are taking many properties and turning them to condos since that is a booming market with high rental rates And sometimes more conveniently built and accommodating then a SFH.