For regular domestic machines, a yearly clean/oil/adjust (COA) service will cost $85, plus parts if any. For Mega-bobbin machines (newer 4/5/7/8-Series) COA service will cost $125, plus parts if any. If your machine also embroiders and you want your separate embroidery module checked and cleaned as well, the cost will be an additional $40. Serger COA service is $125, plus parts if any. Actual repair visits when things go wrong or break are $60/hr plus any parts needed. On-site appointments in your home can be scheduled as well. Cost is .57/mile round trip and $60/hr from time of leaving shop to returning to shop.