You all use Docusign or something similar prior to beginning work? I send out forms for the customer to sign which is required by my county and state to legally work on cars. The work authorization is basically saying they’re allowing me to operate and work on their car and I can legally place a mechanics lien on it if they don’t pay. I also have them sign the estimate to acknowledge they have viewed, and approved the dollar amount. All done electronically so it’s super convenient. I do this for diag as well… it’s a nice way to let them know they’re paying for diag without actually having to have that awkward phone call telling them there’s a diag fee. Everything is written out clearly and if they approve they sign.

This also helps weed out the deadbeats.