I am a LA and I have a contract that me and my customers fill out. It states in the contract what is expected of me, and what is expected of my customers. For example, price per inch, thread used, designs, etc. I found it at Longarmers University website and once it is filled out and signed, we both get a copy. I would never use any batting or thread that she/he didn't want. That is just being a control freak. I am very picky about my thread but you sent her premium thread the third time, and that should have been great. There are alot of great LA out there though.