Yowza!
Dismount 14" tires & remove TPMS sensors
[ $10 per wheel ]
Dismount 13" tires, install TPMS valve stems & TPMS sensors, mount/balance wheels
[ $20 per wheel ]
4 TPMS valve stems
[$8 each]
Hmmm...maybe this would have cost around $40 per wheel at a normal tire shop?