You are wise to limit your scope to a particular type of company.I have been in the industry for the past two decades, and from my years in the business, I can recommend a couple of other companies outside of my family. 

Rents and property values rise pretty steadily in our market at a rate about 2-3X the national average.

Our average construction time is about 8 months after permit is issued and we  are always improving.

We have made an offer for a property and it turns out City of San Diego has asked the seller to replace the uneven side walk by the property does any one has an idea about ball park figure to replace a city side walk?...

I've looked at a few of their deals now and they're averaging close to 26% cash on cash returns.

Keep in mind it's still new so the industry is trying to figure it out. 2.

Can anyone provide insight on the average cost of insurance for Airbnbs with pools in the Boston area?

I think your best approach is to pretend you are the investor yourself, calculate build cost (mortgage with interest) + Maint / cap expenses/ management fees according to your zoning and then compare that to the average rent in that neighborhood.

The best way to leverage 80k in this industry is based off of your skill set.Are you handy?

But it is not an easy home to fill given the rental rate is above average for the neighborhood (but well below average on a $ per sq ft basis).