Free - These have been sitting in a heated basement for several years - a good shaking will be necessary before using:

Sherwin Williams: Kem Bond HS, grey, almost full gal;
Sherwin Williams: Woodscapes Polyurethane,  Redwood, almost full gal;
Glidden PVA Primer/sealer, white, 1/2 gal
Glidden Porch and Floor Latex, grey, 1/2 gal
Behr Porch and Floor Latex, Woven Willow, 1/2 gal

Will give as a lot or individually.