We will be starting a business checking and savings with a different bank.I’m planning to have all rents go into the business account and stash a portion of the rent into the business savings for repairs and other business needs. 

She buys extra when she finds the 8.25% stuff on sale and stashes the jugs in the bedroom closets and down in the laundry room.

I'm going to stash those gems in my toolbox and look into it.

You have some reserves via the stash you should allocate for capex/maintenance.

It sure would be nice to have a few bucks stashed away for your golden years in the event something bad happens.I max out my Roth contributions every year just because it is an amazing tax protection investment.

Roll it up come springtime, and stash in a closet.The cold snap will be gone in a week or two.  

Get a BB gun for the squirrels and call the Joker to get rid of the bats.

I don't see paying your primary off as anything but stashing money in a mattress.

We quickly stashed enough money to purchase a second property and are looking at another right now (only 2 months after the last purchase).

If you're worried about self employment taxes and have significant net income, S Corp is probably the way to go and you can even setup a solo 401k to stash cash.