seems pretty good - 228 tabs for $25 equates 11cents each (before postage - see chart below for more details cost breakdown per tablet with postage included)
Cheap Finish Powerball Classic tablets.
$10 delivery
time to stock up
price per tab (rounded to 2 decimal places, sd = 0.01, M= 0.13, P = .005)
1 Pack $25 + $10 /228 = 0.16
2 Packs $50 + $10 /456 = 0.13
3 Packs $75 + $10 / 672= 0.13
4 Packs $100 + $10 / 896= 0.12
5 Packs $125 + $10 / 1120= 0.12
Maybe you should include delivery in the per tab price since there's no pick up option