Also make sure to build on a property located in a desirable location with larger pop density and if holding for rentals, charge median rent for that market as lenders want to see a bigger pool of buyers/renters available to occupy/sell. 

For the lower value properties they generally create less tax savings and it may not be worth it. 

:Class A Properties:Cashflow vs Appreciation: Typically, 3-5 years for positive cashflow, but you get highest relative rent & value appreciation.Vacancy Est: Historically 10%, 5% the more recent norm.Tenant Pool: Majority will have FICO scores of 680+ (roughly 5% probability of default), zero evictions in last 7 years.Class B Properties:Cashflow vs Appreciation: Typically, decent amount of relative rent & value appreciation.Vacancy Est: Historically 10%, 5% should be applied only if proper research done to support.Tenant Pool: Majority will have FICO scores of 620-680 (around 10% probability of default), some blemishes, but should have no evictions in last 5 yearsClass C Properties:Cashflow vs Appreciation: Typically, high cashflow and at the lower end of relative rent & value appreciation.

We have made money buying properety based on cash flow (lower priced) rented out for a period, then selling to an owner occupant. 

Blue Gate Capital Never Charges Any Upfront Fees, Our Clients Pay AMCs or Appraisal Companies Directly.

Seems like it'd be lower maintenance since it's a new build and in a nice area.

I think the engineering issues on them have been resolved.I've used a number of different brands (lower price point) and haven't had issues with any of them.

I did get lot rate for a similar rural park that is about 40 miles away, and they charge $350 per month, which is decent. 

She's also likely to be causing your tenant in the lower unit to have a higher heating bill.

I haven't heard of that company, but if you are looking for done-for-you real estate investing then just know that your returns are going to be significantly lower.