Big box stores including Lowe's and Home Depot have people who will do this for free, as do the smaller boutique stores.

They will either have to store theirs or ask you to remove yours so they can use the ones they own and prefer.

Hate to see you go to jailGo to a local lumberyard, not a box store. 

For instance, can a converted store front apartment work?

If its a RV park like a campground , they are full time businesses , reservations , hospitality , clean up camp store .

Long term I would definitely store extra appliances and stuff in the basement.

I'm sure they're available at Home Depot, Lowes, or other hardware stores.

I'd love to have a place to store a couple of stoves and fridges so I could do a quick change out and then after I have a few bad ones have someone change out that bad $10 part.I have repaired some of my own high end appliances.

This is getting into the specifics of cameras, to record either on the action (such as opening a door or motion detection) or continuous 24/7 monitoring, which is stored on a DVR.Cameras are an integral part to any security posture on a property, whether it's a commercial property or residential. 

Have discovered  that the big Salvation Army retail store which is next door has gone out of business.