I won't get nearly as good as ROI though because I bought the pool home for 101K in 2012 and there is no way to replace it for that little unless a bargain falls in my lap.

I am also looking for experienced structural engineers.

Roof replacement, HVAC system replacements, etc

I'm thinking of replacing it with a 1990 or newer model. 

Online is great to a degree but it will never replace face-to-face.

When you insure the house you would insure it for the value of it to be replaced. 

For example:- Architect/drawing fees- Engineering fees- Site clearing- Demolition/removal- Permits- Site preparation- UtilitiesSo, you'll have to get familiar with those facets of building as well, and you'll have to get a reasonable idea of what those things will cost you.2.

If all goes well, we'll be able to purchase one more (for a total of 4) by year end.Currently I work at a large technology corporation in the area and my 10 year goal is to replace my current income with rental properties.

Are you trying to replace a 9-5?  

Engineer by day, so I am hoping math skills will be helpful for all the analysis I've been seeing.