You are best to stick with 1990 and newer manufactured homes for a number of reasons. 

All complimented with Amazon fulfillment centers, google, and more tech manufacturing jobs.The bad reputation of “Detroit” comes from OOS investors wanting sub $40,000, D class properties.

Florida is not surprisingly a gold mine for manufactured homes however (surprisingly) FL is still only #17 out of all the states for numbers of mobiles.You are taking the right first steps reading this forum and finding yourself a knowledgeable mentor to help you succeed and skip past most hurdles that have held up most investors here one time or another.

However; you can probably find some good manufactured housing that would be affordable.

We attempted to refinance again this year and were informed by the mortgage company that it is now considered a manufactured trailer. 

@Alan Robert Litz one lender who will do an investment property mortgage on manufactured homes is 21st Mortgage.

How much debt is on the property.Personally, I like Huntsville because it has a strong jobs story with the auto sector having selected Huntsville for manufacturing.

I have been doing some deals in the last few months with great success. It involves mobile homes on land and I don't hear other investors talking about this strategy. I wanted to share it, break it down, make it bette...

I can only force them to correct the areas so they meet the the manufacturer's specs. 

I searched on CA Department of Housing but didn't see any fee/tax involved in the transferring title between family (http://www.hcd.ca.gov/manufactured-mobile-home/registration-titling/buy-sell-transfer.shtml).