First Server Help

Hi I was hoping to get some recommendations for server hosting services/websites. I’m looking to create a server for some friends (10 players max concurrently) and would run a couple of mods (mainly better Minecraft). Have absolutely zero idea how many GBs I need, what prices I should look for, and what providers are the most reliable. Cheaper the better. Would also prefer to be able to download the world afterwards whenever we’re done playing it. Thanks!