[jamiesage123]

Use SetPlayerScore and GetPlayerScore.

https://sampwiki.blast.hk/ is really helpful.

pawn Код:

if(GetPlayerScore(playerid) >= houseprice){
      SetPlayerScore(playerid, GetPlayerScore(playerid) - houseprice);
      // Buy the house
}else{
     SendClientMessage(playerid, COLOR, "You don't have enough score to buy that house!");
}

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You can have "server side money" which people can't hack. Search around.