Bad news is, if you think you'll be into it for $100k over appraisal once all is said and done, this is a very simple math problem: if you were to sell it as is right now, would you lose more or less than $100k? 

I will try to do some math on the basic big items for now.

Am I doing that math wrong?

But he did the math and said the break even point was at $60k which I surpass so it definitely has been worth it. 

It takes extra effort to follow the money on the financials I’ve seen.Some quick math should give you the bulk of the amount of income (# of houses x HOA assessment, with an allowance for some non-payers) available to cover expenses.

Little math here, started off at x (which was market for homes in area).Went to x+$100,000 after $40k in upgrades, I am willing to offer x+$30k.

Do the math.. 3.5% of $XXXk is $XXk.. 20% is $XXXk..

If you want to live in the Andover area for personal (commute) reasons, then take steps to do so, and don't stay straddled between Andover and Central MA.  The

As the math will show, however, this is not an advisable strategy for multiple years.To illustrate this let’s change our example a little bit.

In this particular example, even if you were renting out both units, I still can't make the math work out in your favor.