This small Nodejs script allows you to send eth (ethereum) or a lot of erc20 tokens while calculating automatically the minimum gas fees needed so that your transaction enter in the next block.
This script is usefull for emptying your wallet: Trying to clean ethereum dust (leaving your wallet at 0 eth, emptying ether dust). Or sending erc20 spam tokens to burn address 0x0..0 or 0x0..01