That can also cause issues with expired mortgage rates, rate lock extension costs/fee's.

We currently have 3 townhomes (One on 240m 6.5% and Two on 360m 7% & 7.5% mortgages).

I work for Total Mortgage in CT. 

Where these numbers are found, there is a very high rate of rent actually being paid.A little more about the area:We have over a dozen Fortune 500 companies just in Metro Detroit with huge Healthcare, Auto, and mortgage industry National footprints.

The navy is charging roughly 1400 for a one bed one bath near the bases. my mortgage would be around $3100 dollars with my VA home loan.

But what they wanted did not exist without going into the hood..

Would I need to contact my mortgage lender to let them know it will be an investment property?

You may not get the same rent as you did with the prior owner but at least you can stabilize the property in the short term, pay down the mortgage and reassess in 5 years.   

Until I can get going on the MHP Bootcamp, can anyone recommend a good book that would get me started thinking in the right direction with MHP investing or perhaps even MH investing (flips, buy and hold within existing parks, etc...). 

Most Sellers want today's prices with the buyers that existed 2-3 years ago.