Now it has long-term tenants in all four units that cashflow about $700/month.

I'd be happy to look at the construction numbers. partnerships are tough, it's better to be transactional with both people happy with initial terms and not counting on a sale. we do partnerships like this in COLUMBUS OHIO and miami florida and I'd be happy to help advise. how much experience does the GC have with new builds? 

I have an oceanfront STR in NC that I'm considering listing and doing a 1031 into at least one or two long term rentals with potential appreciation opportunities. 

There are a few ways to go about structuring the financing on investor loans with flexible terms to up to 85% loan to value. 

Are you wanting long term debt or short term debt on the refinance?

Their Hartford quote is also well above the price my own agent had gotten me from Hartford and at least initially appears to be identical coverage.  

I own a triplex and was wondering if I could use one unit as a short term rental to offset my W2 income as a trader business.

As mortgage rates eventually drop, your cash flow should improve over the long term.

In terms of property management I have zero experience and wanted to get feedback on the hourly commitment so I can determine if I should self manage or get a pm.

It could also be worthless if they are only doing long term rentals since its all passive income...