The Best Way to Increasing XP

1. Plow a plot of land.
2. You spend 15 Coins.
3. You gain 1 XP
4. Plant Soybeans seeds in that plowed plot of land
5. You spend 15 Coins
6. You gain 2 XP
7. Delete the plot of land and repeat from step 1 or for a more no. of plots
8. Net Gain in XP = 1+2 = 3 XP
9. Net Loss of Coins = 15 + 15 = 30 Coins
10. Therefore, 30 Coins = 3 XP
11. 1 XP costs 10 Coins