According to Goodwill, the perfect time slot to shop at thrift stores is in the morning on both Monday and Tuesday. This is because, at least as far as Goodwill is concerned, people tend to donate garage sale remnants on Sunday, so the pickings are new and fresh come early weekdays.

Thrift store flipping is the process of purchasing items from a thrift store and then reselling them for a higher price.

While there's no “perfect” day to shop second hand stores, many regulars swear by shopping early on Monday and Tuesday. Homeowners tend to drop off garage sale leftovers on Sunday nights, making for new finds. Plus, the weekends are more crowded shopping days, so employees look to restock early in the week.

Thrift store prices are low, but that doesn't mean they can't go lower. If you think something is priced too high for what is, ask if they're willing to take less for it. Just be polite in doing so and don't be discouraged if they're not open to bargaining.