Don't try to market skins as "trophies" like I've heard some lead team do or some people suggest, almost everyone uses them as customisation, everyone I've asked as said that they choose what one they like, so keep that in mind when designing prices and adding new things

Pointshop Economy
The pointshop economy is something way different to what ZARP is used to. There are not many "rare" items and that means that the money that people are getting is pretty much useless and the pointshop is easy to just play one week and get everything in it. I think we need something that means that items are dynamically generated on the server meaning that you can have different stats on an item. For example, you buy a top hat. This top hat has nothing special with it however when you upgrade the item it has a chance to generate a random trait/effect. This is something that I have been experimenting on my test server and here is something that it would look like

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This would allow people to get incredibly rare items with insane combinations to allow for some trading to happen on the servers and try and get people trying to buy these items off people.