Add a timer; "HiddenServiceOpenDays" "HiddenServiceOpenHours"
Like the real shop, let the user specify the time/days.
0=Sun, Format: D or D,D,D
Admin will monitor Hidden service during this work hour
= 0-08 and 19-23 will be offline.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information