That would make this much more complicated, since you'd likely need lender approval.In any event, you'll want to check your mortgage (if you have one) and the lease to see if you can transfer or assign.

What would be my best approach, I assume find a private lender and work out some deal with them.

You will want to interview at least a couple of realtors and determine what resources they have available for you in several arenas (lenders, contractors, more). 

Quote from @Chris Seveney: Over the past quarter, I have seen around $1B in defaulted fix and flip loans - many of these from new lenders since 2020 and more of a "tech platform".As we all know, the intersection of tech and real estate investing has brought incredible innovation, especially in hard money lending.

If its not someone you know the lender will dictate the terms.

Combination of own capital, hard/private money lenders, partnerships and raising outside capital.How do you add value to these deals?

I was also going to ask if you'll have access to the property - many lenders will require an appraisal.

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Due to the popularity and scarcity of these properties in Nashville, it would be difficult to find a property meeting the STR requirements given a proposed purchase price of ~$300-350k.Additionally, your situation is a bit unique as it sounds like you may be living away from your primary residence more often than not, and as such, I also recommend you confirm with a lender whether this situation would qualify for this type of (primary residence) loan.

Also consider all lenders will require to review your insurance when underwriting a loan and it's likely a violation of your existing loan documents to let the properties go uninsured even if they didn't require insurance escrows.