Quote from CreeperKiller7
You can get access to your own personal NPC follower who can fight for you.
Access to different and unique weapons
Being able to run or heal more quickly then other players through plugins.
Access to a V.I.P zone in the map
Getting X amount of money.
Getting X amount of armor and weapons
Hope this helped!
in my opinion that'd be very pay2win, quite unfair to the lesser wealthy players and not very roleplay friendly "Gee, Beggar, you got all that money over night?"