I'm all about self-learning but having a "coach" or someone that has gone through the process already makes me feel that my success rate will multiply by two fold.Any reviews out there on the RDPD coaching program?

Investors set a goal of owning X number of doors to multiply their income and maximise the use of their cash.

If I am able to get $1,200 a month, wouldn't that raise the value of the home to $120k , using the same multiplier?

The avalanche or snowball method as you mentioned.You are smart not to monkey around with new debt, transferring this and getting a heloc on that.  

CapEx (annual) 10.00% $90 $1,074 Gross Rent Multiplier   2.79         HOA (annual) $0 $0 NOI   $2,784         Utilities (annual) $0 $0 Cash Flow annual   $2,784         Landscaping/snow (monthly) $0 $0 Cash Flow monthly   $232         Other 1 (annual) $300 $0 Cap Rate   9%         Other 2 (monthly) $0 $0 CoC   5%         Total Operating Expenses $874 $6,882

Not only are the gurus still in business, but they're multiplying like rabbits.

Can we just use the commercial model and multiply the value by the increase in rents?  

As @Ali Boone suggests, where there's no way to ACCURATELY predict the cost of hazard insurance, multiplying an asset's value by .0055 will get you close.

Multiply that by say 40 houses even.

I took all the units and got the avg per square foot and multiplied that by my square footage.