Which crockpot should I buy?

I am looking at crockpots so I can make roasts/stews/sauces/soups in a few hours or over a whole day and come home to a hot meal! My mother had one but it’s been long gone for a while and we don’t know what kind it was. :/

I have no idea what’s out there – anyone have any experiences with certain ones that can recommend?

Here are features that I’d like the crockpot to have:

-stay warm setting
-timer built-in that will stop after x hours and revert to “stay warm”

I’m willing to save up for a GOOD crockpot if I have to but no outrageously priced ones. :(

Thanks!!