answer: #Person2# tells #Person1# #Person2#'s just comparing prices as the shop doesn't have a sale on approval.
documents: #Person1#: Hello! Are you shopping here today? Haven't I seen you in some flea markets and thrift shops a couple of times?
  #Person2#: I'm just comparing prices.
  #Person1#: You should! This thrift shop is really cheap, though, you have to pay cash here.
  #Person2#: But they don't let you have goods on approval.