So... you're saying that you reset to 0 xp at every level up?
It won't be evident early on, the difference between 2 and 3 being only 2000 normally and 3000 your way, but 4 to 5 is normally 10,000 while your way makes it 20,000. By 20 you'll have "spent" 1.33 million XP instead of 190,000...