I did a quick search, didn’t see this posted.
Lowes has the following paint for sale for $2.75/gallon in some stores and $4.49/gallon in others:
Olympic White Semi-gloss Latex Interior Paint and Primer in One (Actual Net Contents: 124-fl oz) Item # 472001 Model # 74902A01
https://www.lowes.com/pd/Olympic-…oz/4740226
Happy Painting…