The way to mitigate this risk is by getting a permit to legalize the unit(which may be a bit more difficult) or duplex the unit with digging down the basement to be in compliance with zoning and building codes. 

Having a tenant will limit the usage for many prospects and likely make it difficult to schedule showings. 

Inspectors/jurisdictions can make life difficult.  

Fighting against it has been difficult but I've got a wholesaling business started, some long-term investments working well and a beautiful wife now.

You complaining to me that the strategy that actually makes sense is difficult is pointless don't you think?

It is a difficult time right now for individuals looking to purchase a home.

Of course, you will need to add the transportation cost from port to the construction side as well, the good thing about container is the side is standard so this will not be too difficult to get quotes. 

A couple things I learned were:-Financing may be difficult.

I'm not sure it would work in the way you're thinking in the mainland because lending/liquidity is difficult here in this current market.

@Mike TashmanOK - a couple reactions - cash flow is extremely difficult right now without a creative strategy.