It would be more to sell them right away and not waste money.
EDIT: Or to give them to someone who would eat them.
EDIT: Would there be another breed which is auto sexing which would be a better producer?
Most sell day old chicks as straight run with no guarantee of gender.
Rhodebars are here
Welbars I do not know about
Both are dual purpose.
As someone who has been working on rhodebars for quite a while, I can give you my experience... you get what you pay for. ;-)
First of all, the stock from GFF (at least rhodebars) needs dire improvement... and that's assuming they are even purebred.
Aside from that, I had my own reasons for wanting autosexed dual purpose poultry... I have a large ready outlet for day old cockerels. Please note all the adjectives I just used... autosexed AND dual purpose.
The rhodebars I started with lay awesome, but dual purpose they are not. For something that "should" be the equivalent of a standard bred RIR (with autosexing and proper barring), the rhodebar foundation stock didn't even come close.
So, you need to consider your reasons for wanting an autosexed variety. If it's something you really want, then I suggest you get best corresponding genetics you can and begin your own breed improvement project. It's been a great project and I've learned a ton, but it isn't an overnight sensation.
I am blessed with some very awesome RIR, otherwise I wouldn't have taken this project on. The RIR I have are truly dual purpose, have excellent carcasses and lay very well - I absolutely love them.
I have both a large egg market and meat market (that's how we make our living... beef, lamb, poultry and rabbits... so being able to sell day old cockerels to chefs knowing they'll be nice breasted cockerels with great flavor fits nicely into our market.
It's working well for us, but I realize it isn't for everyone.
Weigh the pros and cons for yourself... if you have the time and the space you could create something really wonderful. ;-)