You can buy all the buyable commands in 1 package.

/fly

/tp

/thru

/enderchest

/home

/workbench

Are you to far away from home? use /home command to teleport to your bed.

sick and tired to walk?  Now you can buy the /fly command

Teleport to a player using /tp command

Are you in a mine or in a place where you don't have trees and you don't have a crafting table on you? now you can buy a workbench and use it with /workbench

always have a enderchest on you to protect your valuable items

Stuck somewhere or you don't have the materials to get thru? now you can buy the /thru command