To make it simple, I take average price per square foot sold of a non-basement house and halve it.

Duplex Side A -  $2,500/month or $30K/year - 2-YR lease set upDuplex Side B - $2,500/month or $30K/year - 2-YR lease set up Airbnb - $4K/month or $50K/year (2-YR average) - Nightly RatesI purchased the duple in November 2019 and just noticed my credit rating dropped the day I made this purchase. 

I added a new chart that shows the 12 month moving average of the median price, which smooths out all of the seasonal fluctuations.

The closing costs were averaged out from the area.

Here is the information I entered on the property:  Purchase Price $139,900.00 Closing Costs $8,000.00 (number came from my father - i originally put 3,000 but apparently 8k was his average closing cost for past properties) Rehab Costs $2,000.00 (really nice property, I just added this in as a buffer but im also inexperienced in estimating rehab costs...:/) Down Payment $27,980.00 (20%) Total Investment $37,980.00 Amount Borrowed $111,920.00 Unit 1 (3 bed/1.5 bath) $525.00 (rent we charge for our other properties) 3 $1,575.00 there's also a garage that I didn't know how to work into the numbers, or if it even should be worked in Total Investment Loan Investment Interest Rate(%) # of Payments Monthly Payment Notes $37,980.00 $111,920.00 4.88% 360 (30 yrs) ($592.29) Amortized Loan Total $671.25 (month) $8,055.00 (annual) Water/Sewer $40.00 $480.00 Trash $62.50 $750.00 every 6 months (750/2) Taxes (iffy on these #s) $267.50 $3,210.00 Insurance (iffy here too) $65.00 $780.00 Heat $- $- tenants pay Electric $- $- tenants pay Vacancy  $78.75 $945.00 (5% of Income) Management (we manage) $- $- (10% of income) Maintenance $78.75 $945.00 5% of Income Capex (roof, etc

However, interest and property taxes are still deductible as itemized deductions on your Schedule A.Rented for an Average of 7 Days or Less: Under normal circumstances, rentals are treated as passive activities, which are reported on a Schedule E, and net profit from the rental activity is not subject to self-employment tax.

Historically, rent increased an average of 1.3 % per year described in most reports found on the internet.

I am hoping that banks will take into account how much I have saved up, as well as my above average credit score and I will have a part time job to make my DTI ratio better.

What is the average percentage a Buyer wants to buy a property for in the East coast or preferably New Jersey?

The word has very good vibes with the average American.