Possibly up to 25% but that would only be in very high dollar areas and likely closer to 10-15% in entry level areas.If you want to look at it from your buyers perspective then figure out what two houses could be worth on that property then subtract out all of your expenses and see if it pencils out.

Subtract closing costs and the arbitrary -$10k+ because you're gonna spend more on rehab and sell for less and you're far in the red.Move on.

People run their numbers by subtracting their mortgage, taxes and insurance from the rent and say look at this great return I'm getting.

Then, subtract out all your expenses and costs, both ones you've actually incurred and ones that would be incurred if you sold.

With 5' walls, my overall dimensions would be 10'W by 34' L, or 340 sq feet (not sure if i need to subtract the stairwell at one end of room).

There's no shame in turning things over to a professional.I had a client many years ago tell me that, as an electrician, any time he spent where he wasn't twisting wire was losing money.He tried and tried to save money by doing his books himself and it always cost him lost sleep, lost relaxation time, headaches and a big accounting bill at the end of the year anyway since I had to fix some pretty big errors.In the end, he opted to complete his own billing in the software and then hand everything over to me monthly to update for him and hand back.Lots of people assume that accounting is just adding and subtracting - how hard can it be?  

Subtract your car payment of 238 per month and that leaves $2428.  

You subtract depreciation and you get a passive loss. 

The important part being to subtract the renovation costs from the 70% ARV, making a purchase price of $77,000 OR LESS worth a serious investment possibility.  

Or a $15k condo that rents for $600 a month (subtract HOA dues from that formula, so if the HOA dues are $150 then you'd really be at $450 a month gross before repairs).- Finding deals?