If we stay down, I'd rather Plymouth come down, Birmingham will spend big.
You'd have to imagine Huddersfield will have an EXTREMELY competitive budget as well? Maybe even still getting the parachute payments. And Rotherham never mugs in League One.
It should be fine depending on the size of the bag.
https://www.eelway.com/en/luggage-storage/peterborough/peterborough-railway-station most stations have cheapish luggage holds.