Agree. IMHO it's bad form to transfer it after you've done all the work. You do the work, then transfer it and take part of their commission? Not cool.
Granted Costco is a stupid corporation, so...I guess sticking it to them is better than taking money from a small business/independent TA. But...just peruse these boards about the problems people have had with them - opening days are a mess with names and details being taken and people not being gotten back to, having to wait on the phone for Costco and then them keeping you on the phone while they hold for
DCL - pretty much never getting the same "agent"...and when all the cancellations happened with the shutdown there were nightmare tales.
Give me my personalized assistance from my independent TA who is working through a small business ANY day.