Your profit is sales price minus selling costs minus purchase price.

I wanted to build up his team, I wanted to help bring him work, I wanted to help in sales and lead generating and buy into his companies LLC.. but even that was fraudulently represented as  In the beginning he had represented himself as someone who had a team in house around 60 people, with vehicles, trailers, tools, lawnmowers, weed wackers, nail guns.. the works.

Purchase price: $82,077 Cash invested: $50,000 Sale price: $275,000 Fix & Flip mobile home with extra lot.

Purchase price: $180,000 Cash invested: $40,000 Sale price: $218,350 Fourplex in Kennewick.

Would the federal tax liability be $140k at year 5 for the sale, with long term capital gains (ignoring any Net Investment Income Tax)?

@Kezia Edmonson Yes, you can use a 1031 exchange to defer taxes on the sale of your single-family investment property when purchasing a multifamily property, but only the portion used as investment (the three rented units) qualifies.

I saw a few in Plymouth but I don't know if the home values align with the sales prices.

Gross profit is interesting because it appears to just be the difference in his acquisition and sales price and fails to take into account the other obvious cost of running that business which includes, again according to him, the cost of over 26,000 letter print, mail, post, and the cost of the lists needed to create a mailer of that size. 

Purchase price: $28,500 Cash invested: $28,500 Sale price: $80,000 Bought and sold a 3b/1b SFR with Owner Financing.

., 2bd/2ba single-family homes) consistently perform well.Building on this, you can also analyze current rental rates relative to nearby "for sale" comps to estimate ROI.