This portion of the guide explains how to respec your character and how respect costs work.
Other Borderlands 3 Guides:
How to Respec Your Character
Walk up to any Quick-Change Station and select respect.
Respec Costs Explained
Respecing your character isn't free but there is some method to the madness when it comes to costs. Esentially you can drop the zero from whatever amount of money you have. So if you have $7,404 it will cost $740 to respec.