Yes, everything is the same after the merge.
Our marketing partner will help you to boost your project if you create token from our website.
It means you don't have enough native token balance for creation. Ex: To create a Standard token on BSC, you need to have 0.1 BNB and a small fee. But you don't have BNB balance or have less than 0.1 BNB, it will cause the insufficient funds error. Or you have 30 BUSD, but the transaction only uses BNB for BSC, so it will have the same error. It's similar for other chains, for example, you need ETH for the Ethereum network, MATIC for Polygon etc...