I mean, bulk unflavored whey is cheap but the concentrates can be a pain as far as lactose sensitivity can go and the taste is not good by any means. You end up spending the extra typically trying to make it more drinkable from my experience.
I've tried a lot of the powders and as far as affordable and good tasting, I recently tried Combat Cookies & Cream and I honestly think its the best C&C I've ever had. Universal's whey pro is crazy cheap, flavor isn't anything to write home about but its okay, Scivation's 10lb whey is also mad cheap and people are cool with it from what Ive heard
I've tried a lot of the powders and as far as affordable and good tasting, I recently tried Combat Cookies & Cream and I honestly think its the best C&C I've ever had. Universal's whey pro is crazy cheap, flavor isn't anything to write home about but its okay, Scivation's 10lb whey is also mad cheap and people are cool with it from what Ive heard