You spend it in PokeMarts and you get more by selling stuff or battling trainers.
use the amulet coin to dubble prize money
use an amulet coin on a Pokemon in a trainer battles
buy a Pokemon carictor or use ir money in Pokemon revolution
use your money to buy them from the shop.
Nuggets* are worth 5000 money , i'm not sure if there's any other use for them except money
yes, you can use the VS seeker to get infinite money and exp, just keep using the vs seeker and battling people for infinite money and exp too!
It's a neat item that if held by your Pokemon in a trainer battle it will make your foe pay up more money when you win.
Use your Vs. Seeker to find trainers that give a lot of money, and keep battling them over and over. Use an Amulet Coin as well.
you can battle trainers, elite 4, or use pokeedit
Find a meowth that knows pay day and use it on all the Pokemon you fight. You'll get double whatever your level is each time you use it in battle.
you use pokeballs... when you start you have 10 you can battle gym leaders to get money and buy more pokeballs
if you want to get lots of money well,do the Pokemon league