I considered putting winter tires on another set of steelies with sensors vs. a full changeover onto my OEM alloys.
I wasn't satisfied with bypassing the TPMS and letting the light go on for the next 4-5 months.
After doing some homework, I figured it would cost me $700+ for steel rims with a 2nd set of TPMS sensors ($70/tire + $115/sensor). In addition, it would cost me $20 per change (yes, free if I do it myself). Also, ~$30 for the dealership or tire shop to reset my sensors (the tire shop's price).
The changeover with OEM alloys would cost me $80 per change using the EOM alloys.
I amortized it over 10 years (before taxes):
Steelies with sensors: $1740
Changeover with OEM alloys: $1600
These estimate don't include the tires, BTW.
I decided to go with the changeover. This way, I don't have to get hubcaps over the steelies plus I get my tires balanced twice a year. If the price of the sensors drop (I'm sure they will) getting the steelies may be a better option.