An investor is likely to pay a given percentage of the ARV, with repairs subtracted from that number.

A quicker way to see if it works, is to subtract 40-50% of Gross income.

So let's say it needs $10,000 worth of repairs. 70% of ARV is $70,000 and then subtract $10,000 for repairs, so an end buyer would want to pay about $60,000.Then you have to build in your assignment fee, so let's say you want to make $5,000 on the deal.

Generally, you take the unpaid principal balanceand add accrued interest and late charges and subtract or add the escrow account balance to come up with the payoff.  

Then subtract all the expenses then you end up with NOI (Net Operating Income).

Here’s your answer:Depreciation (Line 13/14) – can be added BACK as income Business Use of Home (Line 30) – can be added BACK as incomeVehicle Miles (Line 44A) – can be added BACK as incomeUn-allowed Meals and Entertainment (Line 24B) – is subtracted FROM your incomeIf you have a choice on HOW to deduct the items above then you want to CHOOSE to try to deduct them in those categories.

@Adam Williams based on how you post is written I am guessing the numbers (losing $190  Month, get about $55 a  month) means that is what is left after subtracting the mortgage payment form the rent.  

Subtract Debits from Credits and cut them a check for the difference. 

Subtracted from the profit to show a more accurate profit? 

I run numbers on properties every day that will net under 5% on a cash sale by the time I subtract Texas's high 2-3% property tax, insurance, 10% management, repairs, and vacancy.With brokerage CDs now over 5%, for me it makes sense to pause on RE till prices come down/ rents increase.If you are looking for a 7% + return its a waste of time running numbers unless the rents equal 1% of sales price I am finding.