I know it is very hard to confront someone, however, when done gently and in clear and specific language, it can work out well for both parties. I am really sorry that this LA quilter did not do right by you. You can learn to stand and this would be good practice. Write out what you want to say, keep it for a day or two, read it over and edit what you want. Make sure to state exactlty what you want her to do--finish the quilt, refund your money, whatever. Call the LAer and read what you have written. You should be prepared to notify the Better Business Bureau in her/his locality. You cannot let people just run over you like that. I suspect that you feel overwhelmed by the move etc. However, some of us have to really work on standing up for ourselves. It is not easily learned, ask me how I know...
The quilters on this board are awesome. What a treasure you ladies are to offer to finish this quilt at no charge. God bless all of you.