i say it depends.

for a simple recessive project, it makes sense to start with visuals and 100% hets. 100% het to 100% het is also fine.

for a double recessive project like albino pied, you really need these 100% double hets, even with these you only have a 6,25% chance to hit your jackpot, 6,25% is low enough. so you start with visual pied to visual albino to make these 100% double hets, or you purchase the 100% double hets.

the example breeding of het albino to het pied would result in offspring that is just 50% possible het for either. if you breed these together, your chances to hit the visual double recessive will be down to 0,39%, because you need to beat the 1 in 16 odds that both are in fact het for both and prove out, and then you need to hit the 1 in 16 odds to get your double recessive visual.