Financial mismanagement must be the norm, then:
Leeds (I'll grant you your point wrt these)
Massive
Sheffield United
Sunderland
Wolves
Villa
Fulham
Ipswich
Narwich
Bolton
Blackburn
Wigan
Derby
QPR
and probably others (this is just off the top of my head). None bounced back (immediately, or...
Why not simply allow one of the PL franchises to relocate? Or upgrade a smaller side in a relocation and promotion move. What about MK Dons relocating to Singapore?