[DobbysGamertag]

I say, which is what i do, make a function to save data, set a timer. for say, every 10 mins, save the data. Then after every crucial (house buying, money transfers etc) use the function.

If you didn't understand:

SaveData(playerid)

pawn Код:

CMD:something(playerid,params[])
{
    Stuff
    SaveData(playerid);
    return 1;
}

So, (personally) my opinion, create a function, and call it each time you need, as mentioned above.