Then you would subtract your cost from the ARV to if it is worth it or not, but in your case there may be extra motization of getting a better tenant at higher rent.

I then subtract this from the cost, so $315,000 - $25,500 = $289,500, which is my cost basis of the property.

For example, subtract 15% or more from your ARVs to pad yourself against a potential drop in home prices.You may have to reduce rent rates if you start seeing vacancies.

You can add/subtract a little for those type of things but even with no adjustments, it's going to get you a ballpark number.

Take your ARV, multiply by your banks loan to value percentage, subtract your purchase costs.

As a Soldier, I always take my BAH rate and subtract $200, then I go look for places to rent that fit that price range.  

The projected utility budget needs to be subtracted out to get the rent allowance.  

Subtracting local taxes, insurance and upkeep - we already have $100k/yr to spend.

Total Income/Month = $2420Minus the $575 once I move in but I will have a roommate who will pay 200 + half the electric so I would subtract $375 from $2420 =  $2045Expense Break down:PITI = $1447.62Tenants pay Electric,Cable, and Internet I pay water which at most is $180/mLawn = $50/mSnow = $100/mGarbage = $50/mElectricity for my room =$50/mTotal cost = 1877.62Income - Expenses = +$167.38/month plus I would live for freeI have an inspector going through the property tomorrow and am heavily considering having the plumbing checked out due to it being an older property and would love advice on this. 

If it needs 10k in repairs then I subtract 10k from my 60 Xs.In your last question are you asking how much you should charge for a security deposit?