I’m fairly new to crypto currencies! I had some spare change and said “why not buy some?” Think y’all can give me advice on when to sell and not to for the ones I have?

Hello everyone! I’m fairly new to crypto! I had some spare and decided to spend it on some crypto, any advice on the ones I got?

XRP at $3.18: Bought: $19.50 (6.136672)

Cardano at $1.00: Bought $9.56 (9.514135) ADA

Stellar Lumens 0.44: Bought: $10.26. (23.4280858) XLM

Dogecoin: 0.36: bought $8.22 (22.66753069)

PEPE at 0.000015: bought $7.77 (503.380.36117381) PEPE