don't send on chain. it's expensive and all yours sats will be blown in the transaction cost.

There's a little lightning symbol at the bottom of every post. click on that. If you want to practice by sending me some, click on the symbol at the bottom of this message and try to send me 1 sat, it will open up wallet of satoshi with a 1 sat invoice. Hit send and that's it, you'll have zapped me 1 sat.

If you're using Amethyst as your app, hold down the lightning button first, this will allow you to add smaller amounts of sats, rather than the default amounts.