Final answer:
Alteration fees for pants over $20 can vary, with a normal stitch being a basic and typically less expensive service. Prices differ by tailor or shop.
Step-by-step explanation:
The cost for an alteration fee for pants can vary depending on the tailor or shop performing the service. Generally, for pants priced over $20, the cost of alteration might be influenced by the complexity of the work required and the quality of the finish desired. A normal stitch is a basic service and is typically among the less expensive types of alterations, as it is commonly a straightforward task for a skilled tailor. However, prices can vary, so it's always best to check with the specific alteration service for their rates.