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?...

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.

From what I’ve read in the Wall Street Journal, average rents in Providence are up about 15% over the last two years, which could work in your favor.

Are there any good resources online to be able to get an idea of average monthly/yearly expenses like utilities, etc. for a given zip or city?

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). 

Visitors come to Mexico from all over the world so the tourism industry isn't dependent on what's happening in any single country.

I wouldn’t go as far to say it’s a scam, but the amount they’re taking as a cut is unheard of in the industry. 

Just calculate the average price/sqft and use this, but this isn't good because some out of date also get sold, and the likesFinally, how closely do investors follow the 70% rule?