It's kind of low inventory right now and it's kind of a seller's market and most prices are high and cash buyers are getting the deals.That does not mean that there are not any deals out there.

Opportunities will pencil out more easily in The Heights, Journal Square, or Bergen-Lafayette, and many areas can access Newport via the Hudson-Bergen Light Rail.Another factor to consider is desirability.

And any property you purchase with an IRA you have to keep at "arms length", meaning you can't change a freaking light bulb if one burns out; EVERYthing needs to be done by 3rd parties.

I'm not sure how long the tax rate will stay low. 

I can see also why your choosing to do flips in that area as price points are low for San Diego.

Interest rates are super low finance the crap out of student debt!

Cash flow is generally very thin due to the cost of maintaining low quality materials, paying lot rent and dealing with bottom of the barrel tenants. 

Property taxes in Cali are very low as compared nationally still. 

I have seen a few parks  empty halfway during the summer time "I am a mailman" That being said there is a market for these homes but the lot rent is going to add up quickly unless you can sell fast and buy at a low cost.

I did some investigation and it seems like a pretty good cash flow scenario with low overhead.