Has anyone with a dulux paintpod re-filled an empty container with a cheaper brand of paint, & had success?

I can't see how it would matter. Dulux is a brand/trade name. It's formulation in substance is probably only a negligible difference, if any, from most other formulations.





The differences certainly are in vehicles used in various sheen's, and amounts of pigments added to those vehicles to produce various results.





Paint consistency is pretty standard, whether the gallon cost $15 or $35. The only other noticeable difference would be in primers and ceiling paint