Coin control does not need much knowledge to use it as long as you are using electrum wallet. Coin control helps you to choose which address that you want to send your coin from. It is good because it gives you an option to choose the OUTX that you want to spend from.

You can also freeze the dust before sending any funds out of your wallet to avoid any mistakes. Like you said, creating a new wallet and moving all your funds there is the best way to stay safe from dust attack.