I can tell you that right now is not Etehreum, but it may be in the near future. In theory is relatively cheap (15 to 50 USD) compared to the cost of buying the most expensive NTFs and if that is not your case, you should consider in the first place if that NFT is really worth being minted. There are many videos about how to mint on Eth chain and I am sure you can do the same in BSC or others that might be cheaper at this moment.
The problem now is that you can choose either popular and expensive or niche and cheap. In the first case it will be quite expensive and on the second you may find problems selling to a wider audience.
I see, so markets NFTs make a difference regarding what blockchain was used to mint it? I dont get why BSC would be harder to sell if the value of the NFT is not connected to the value of the coin of said blockchain, am I wrong?