Currently, I have many of my assets listed as free with an option to pay in my store. Although this has earned me some money, I've noticed that I've earned more money from my priced packs. Now, the obvious decision is to price all of my asset packs, but I'm worried that by doing so I'll be losing traffic to my store that free items bring. What do you think? Should I charge for all of my packs but up the quality of them? Or should I continue with having some free and some priced packs?