They explained that part of the ROI is based on being able to resell your parcels quickly for a profit and not exclusively from the sale of the coffee. 

You would get the full primary residence exclusion (up to $250K of profit if single or $500K if married). 

All money spend after the sale of the property should be posted to Profit & Loss.And yes on the day of the sale you transfer the pruchase price, loan cost, settlement cost, imporvements to Profit & Loss. 

The BRRRR method can be a profitable investment strategy but it's essential to approach it with caution. 

Since this was your primary residence 2 of the last 5 years you would be exempt from taxes on a sale up to $250k in profit ($500k if married filing jointly).

Is it possible to significantly lower the price and still make a decent profit on it?

As Brian has often said, distributions are made from the profit of an operating business - if there isn't any profit, there should not be distributions. 

Next they're going to try to get their profits back.The biggest issue is the carriers leaving markets.

Are these areas profitable?

If there are roof issues, trees over hanging the roof, debris in the yard or whatever client's are getting non-renewal notices.The vast majority of insurance carriers are unprofitable or have just now started to return to profitability from several bad years.