If you're predictions are off and you buy a 9 unit, multiply the damage by 9.

Many appraisers will use a market-driven gross-rent multiplier, or a straight comparable-sales approach.

on the high side, 90k would be my ceiling (assuming no repairs are needed)i used the following assumptions ... broad strokesPP: 90kannual rent: 18,540vacancy: 10%, could be higher or lower based on your areaSWAG expenses: 9,270 (50%) ruleCAP: 8.24%gross rent multiplier: 4.85% financed amount: 67.5Kdown: 22.5kannual debt svc: 4104DSCR: 1.81year 1 NOI: 7416before tax cash flow: 3,312before tax cash on cash return: 14.72%assuming a 5 year hold, at 90k you could expect an IRR 9.7% (assumed 1.5% increase in rent/expenses and 5% cost of sale.)i found a large deviation in per unit comps for 2-4 unit properties in malvern, pa (assuming you're looking close to home).

.** Purchase & Rehab **Purchase Price: $115,000 ($76/sq. ft.)Purchase Costs: $3,450Rehab Costs: $7,500Down Payment: $28,750Total Cash Needed: $39,700** Financing **Loan Type: AmortizingLoan Amount: $86,250Loan to Value: 75%Loan Term: 15 YearsInterest Rate: 4.5%Monthly Payment: $660** Cash Flow (Monthly) **Rent: $1,260Vacancy: -$126 (10%)Expenses: -$504 (44.4%)NOI: $630Mortgage Payment: -$660Cash Flow: -$30** Returns & Ratios **Cap Rate: 6.6%Cash on Cash: -0.9%Return on Investment: -3.9%Return on Equity: -0.9%Internal Rate of Return: -3.9%Rent to Value: 1.1%Gross Rent Multiplier: 7.6Debt Coverage Ratio: 1

You can add up the 2017 rate and multiply it to the appraised value To get the amount you are looking for. http://hcad.org/property-search/real-property/real-property-search-by-address/

Due diligence is generally the same just multiplied lol.

Here's a quick way to evaluate a property: take the annual gross income, multiply times .5 (half goes to expenses, divide this (the net operating income), by your desired cap rate (e.g. 8%)Here's an example: $100,000 gross income, x .5 = $50,000 net operating income, divide this by .08 and you get the purchase price of $625,000.If they're asking $650K, the property is probably worth looking into.

My point being that my Bandit signs were in disadvantaged positions.From my results, I believe that If I multiplied the number of signs by x, I would have some percent more responses on the Bell Curve to address. 

As far as insurance goes, I used a formula I obtained from BP forum; home value divided by 1000, multiply by 3.5...have no idea how they obtained this formula but it seemed to work out for my current insurance cost.

Abou, you can calculate the property taxes on a property in Rhode Island by looking up the assessed value (on the city/town assessor page) and then dividing by 1000 and multiplying by "rate" and "% of value" on this tax rates page.For example, if a residential property is assessed at $250,000 in Cranston, then it's 250,000 * 22.84/1000 (tax rate) * 100% (% of assessed value that is taxed) = $5710/year or 475 that would need to be set aside each month.