Bucks county is the popular area for mobile homes as far as the Philadelphia vicinity goes. as for 'in the 215 city limits' I sincerely doubt that its allowed to just be placed on vacant land even if you're an owner. you'll have to research to be certain though...kudos,Mary

I am trying to limit risk as much as possible.

They tent to limit your investment choices to conventional investments such as stocks and mutual funds.To set up a self-directed Solo 401k you need a specialty provider firm, there are several of us who actively participate on this forum and can help you.

And there are income limits by census tract, with the caveat that (for example) in 90% of Oakland the income limit is "No Income Limit."

Most will be from Phoenix, but some will be from other states yet visit here often enough to like the idea of owning something here.So the best thing to probably start with is your budget, since that's something that often can't change and it definitely can limit your options for market choice.Then you're going to consider your strategy... are you looking for cashflow?

I am assuming it is a post tax IRA and if it is there are some limitations. 1. you cannot take advantage of depreciation so I have heard that fix and flip is better. 2.

A thought is to issue limited business or company car sticker and ask them to put on the windows.

Jumbo loan limits in Sacramento county are currently $517,500, 20% down would put you at a 646k purchase price and still be ok.  

Aside from that, getting someone who knows the specific regulations and rules if the property is within Seattle city limits is a must. 

Liability insurance would come into play if you ever take possession of a property, but that would likely be limited to that specific property unless you are doing significant volume.