Now you will have 6 months to sell this home and still keep all the gains tax free (Up to $250k).   

I DO like to carry a note back, which gives a stream of income and reduces capital gains taxes from the sale.  

That cost alone, especially if you have PM, could cut any gains you would've made by raising rent. 

I pay attention to market trends both nationally and locally.

The only thing I would think of is you should fund the deal, the contractor does the work for a discounted rate, and then you split the equity gain 50/50. 

Additionally, if you live there for two years, and have good appreciation, you can take up to $200,000 in gains on your home with no tax on it.This article explains it: https://www.nolo.com/legal-encyclopedia/the-250000...Good Luck!

If your cost basis is low and you would have to pay a lot of capital gains tax on sale, you could use a 1031 exchange, or you could use a monetized installment sale, which may be a better way to defer your tax and provide cash to invest.

Option A try to buy out B C D after they pay their % of the capital gains tax if they're willing. 

I claimed QBI this year on my rental properties and I had a small loss on one that I had to allocate against the other gain properties before calculating my QBI benefit.

Real estate is also to help others to find solutions for their challenges ..... we help a few business to gain money and we offer jobs to a few contractors to help us with our project , we make some profits so win win situation .