Maybe you could extend the closings with some additional earnest money (even if you release it) and buy the time so you can simply do a regular 1031 exchange.  

(The B Side Motel in Bandon is one) currently listed for $2M+ combination of 10-12 units and RV hosting.

.- If they are more reasonable you may want to accept if for now, but let them know you'd be doing regular increases to get the rent more inline with market rent.Too many newbies here will tell you to get market rent or get rid of the tenant.

Trying to read between the lines it sounds like you have a regular owner occupied homeowners policy in place on a rental property. 

We have been hosting a real estate investor meetup for about 3 years now and meet the 1st Saturday of each month.

Our mortgage brokerage works with real estate investors all across the country who face these same decisions regularly.

My team and I are actually hosting one this week in the Bellevue area.

Yes I spend time in Florida on a regular basis. 

Dachtera who introduced prepaying the loan with a series of $3000 lump sums every ten months in addition to the regular monthly payment of $632.41.  

I host a free virtual one every Wednesday (that is not new years day) and would be happy to send invite if you like.