在美国，我怎样避免修理厂做我没同意的活？
美国联邦贸易委员会说，开工前先拿一份签字的书面估价，写明故障、零件和工时费。估价里要写明，超过约定的时间或价钱之前，修理厂会先问你。完工后，要回换下来的零件，并要一份逐项收费的维修单。
Household
The library is always free. Official answers for the home, then the official page. Not advice.
Not legal advice. Always consult a professional.
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