Rheem Electric Water-heater - $1,200 (Tucson)

I have a new/unused Rheem Marathon Electric water heater; Manufactured on 11/2022.
It’s a 50 gallon, 240 volt with 4500 watts; if you know anything about plumbing/ water heaters you know this particular model will be the last water heater you’ll ever need to buy they have lifetime warranties.
I’m open to fair and reasonable offers.