You can add shop to the blacklist when you come to head.
‘ However, this shop may have the cheapest price… ’
Please feel free, blacklist just paints it black, so you can calculate with whitelist.
Finally, to buy or not, it’s up to you.
【Action from search tab】
You can add memo to record the episode between you and shop.
While item is in blacklist, remove memo appears.
【Action from shop tab】
Switch white or black button.
Tap Memo button to edit.
Memo button changes green if comment is registered.