Mandatory note that Bitcoin is not representative for cryptocurrencies, and transaction costs are only high because it's been artificially hindered. 0-conf is

Mandatory note that Bitcoin is not representative for cryptocurrencies, and transaction costs are only high because it's been artificially hindered. 0-conf is also reasonably safe for small amounts. We must always remember that credit cards are perfectly acceptable, despite them only being "confirmed" after several months (so they cannot be reversed any longer).