I searched for the same suggestion, however did not find it, so pardon me if this was already suggested!

At this time, anything is immediately thrown into your branch at 99,999SB (which i don't think is a reasonable price for most items in game). A lot of people throw things in like this, and just forget about it. this can be particularly annoying when you're searching through, especially when you go through 3 pages of sb item to look at the GB prices. So I think i've come up with a fair way to handle this.

When items are mindlessly thrown into branch, their default price is set to 0Gb and 0SB. This however, does not make this item free. instead, a secondary code is put in after, making all items with unset prices invisible at the shopfront. With this feature implemented, it means that all prices must be set manually before appearing in shop, meaning that people who are searching can look through actually priced items, and not just toss-ins.