You can also store away way much more money than in an IRA or 403.

Two female friends applied together, a Nursing Student and a Grocery Store Manager.

I can market the units, build leases, store docs, complete accounting work.

In a roommate/househack situation, when renting individual rooms would it be feasible/legal to put in the lease that any items stored outside of the room being rented must be approved in writing, and/or restrict the number of items stored outside the room?

When looking at other flips, I find out colors that look good in houses, not on color cards at the paint stores.  

Of course you have to store and inventory the items and return them when/if they pay you off.Check with the JP in your jurisdiction to see if they are doing evictions. 

At best a 401K is simply a store of income. 

Many used appliance stores get their inventory from new appliance haul always.

Usually you are required to store abandoned property for a period of time, like 30 days, before you can sell it.

Look at other flooring stores.