I like to find what an investor will pay for a property then subtract my purchase price and whats left is my fee... on average I make about 15k per deal.

Am I able to show my new income with the rental property through other sources and not have the debt be subtracted from my prequalification amount?

Therefore, you take your asset ($100,000) and subtract the liability ($50,000) and get your "net equity position" of $50,000. [$100,000 - $50,000 = $50,000].

When you use QuickBooks it allows you to have one bank account and link that bank account to Income received from each individual properties, as well as subtracting the expenses per property as well

I am looking for a software that will allow me to create a proforma but allow me to add/subtract properties as I try and ascertain the best combination to buy.

No amount of nuero linguistic programming can make it a deal if they have no motivation.To find out what your max offer is, run comps on the subject and determine your AFTER Repair value. subtract all the closing costs , holding costs, and rehab costs then add your necessary profit.

This "%" can be between 60-80%, but usually falls between 70-75%.Subtract any existing liens on the property (if you bought and did rehab in cash, then subtract "$0")Subtract any fees they "roll into" the loan.

After you get your answer, subtract any estimated repair costs from it; then, subtract the dollar amount that you want to make in the deal.

And subtract for things where the subject is worse. 

When an offer is accepted, contract that property to begin an exit strategy.Determine fair market valueMultiply FMV by .65, .70, or .80.Subtract estimated repair cost from the answer above.Subtract the money you want to make.Submit the max offer.