Finally you just subtract the amount owed from the principle.

Subtract 2 from 1. 

What’s also true is that you can deduct expenses and even depreciation on this same % and subtract the first $1000 before calculating the UBIT.  

If you operate an STR, gross income is your total rent paid by your guests, before any subtractions.To figure out your taxes, you take this gross income and subtract from it all allowable business expenses: marketing, education, technology, licenses and fees (including Airbnb and credit card fees), office expenses, business driving and so on.

Spoiler alert, they don't really give you that much number-wise on the show: purchase price, renovation cost, sold price, subtract for profit.

Subtracting money I put down in earnest and closing costs on one deal that I doubled closed (made $50k on it) brought in around $73k in profit.

Not sure, use 50 reservations as a close approximation. subtract the HK fee from the revenue to come up with an idea of rent.Rabbu is ok,  Pricelabs is nice as well.   

If X later sold these shares for $25.00, they would subtract the original cost basis ($10.00) from the new sales price ($25.00) to establish the taxable capital gain ($15.00) on the stock sale.

I am understanding it as subtracting that from the amount I would normally give them? 

Below are some of the data points I'm looking at in each city, what would you add/subtract, or roast me for?