How much does Uniswap v3 cost?

Could you please clarify what you mean by "cost" when referring to Uniswap v3? Are you asking about the cost of trading on the platform, the cost of setting up a liquidity pool, or perhaps the cost of developing and maintaining the protocol itself? If you're referring to the cost of trading on Uniswap v3, it's important to note that trading fees on the platform are dynamic and determined by the liquidity providers who set up pools. These fees can vary depending on the asset pair, the size of the trade, and the current market conditions. However, if you're interested in the cost of setting up a liquidity pool on Uniswap v3, you should be aware that there are no upfront costs or fees associated with creating a pool. Instead, liquidity providers earn a portion of the trading fees generated by the pool in exchange for providing liquidity. It's also worth noting that the cost of developing and maintaining the Uniswap v3 protocol is borne by the protocol's development team and community, rather than individual users. So, in that sense, there is no direct cost associated with using the protocol as a trader or liquidity provider. If you could provide more specific information about what you mean by "cost," I might be able to give you a more detailed answer.