Let’s talk about the smallest unit of Bitcoin.
Bitcoin transaction fee rates are usually expressed in sat/vB, meaning how many satoshis you pay per virtual byte.
To be honest, I hadn’t paid attention to this before either: try changing your wallet’s display unit to one you’re comfortable with—it can help you avoid mistakes when reading amounts.
$BTC You don’t have to buy a whole bitcoin at once; you can trade 0.001 BTC or even smaller amounts.
Size your position according to what you can afford, and leave yourself some room to maneuver.

#BTC