The initial cost is trivial...jmo.
But I like to begin training asap, and more importantly, not let any bad habits develop...
Day 49....that's when dogs "wake up" and begin to REALLY learn and should be taken "home"..and there's some scientific research behind this...according to some that know a lot more than I do.
I believe it too...now

.
But there are exceptions to everything.....and dawgs are exceptional