Good info right there. I've also heard of making a timeline contract with the shop. Work done early gets bonuses. Work done late get monies deducted from job.
Perfection takes time and time is money. You don't have time for perfection? Here take this roll of tape. Now tape off every part of your car that you don't want finished.
Some great points in that article.
Half a dozen car in the shop covered with dust and 3 techs running around..... Your car will be the next car covered with dust and will be there forever.
Take your car to a collision shop, just automatically figure 1 year or more.