Lowe's offers $10 off gallon cans/$40 off 5 gallon pails of select paints via mail-in rebate, paid in the form of a gift card.
https://www.lowes.com/c/Paint?cm_mm...I-fStneizJ4agv-2IHIaArcnEALw_wcB&gclsrc=aw.ds
Rebate form:
https://www.lowes.com/pdf/Paint_Rebate.pdf
Online rebate submission:
https://www.lowes.com/l/rebate-center.html
https://www.lowes.com/c/Paint?cm_mm...I-fStneizJ4agv-2IHIaArcnEALw_wcB&gclsrc=aw.ds
Rebate form:
https://www.lowes.com/pdf/Paint_Rebate.pdf
Online rebate submission:
https://www.lowes.com/l/rebate-center.html