So, replaying Oblivion, I'm finding Oblivion FAR more drawing than Skyrim. But, I like to horde thing and just started. So where, if anywhere, can I squat (IE stow [censored] until I buy a home) without it disappearing?

Any open sack, like in the Market District for example

Yes, sacks are great because they're all over the place. If you ever happen to make it down to a place called Greyland (near Leyawiin) the chest in that house won't respawn either, but the

Sometimes you can check UESP.com and it'll tell which containers in a dwelling are safe.

The house in the IC is pretty cheap, so that can be obtained early in the game.

I used to store my things in a random sack near the shack you can buy in the Waterfront district. Hehe, oblivious beggars...