Howzit

Howzit is a character in Super Paper Mario who owns several shops.

His Flopside counterpart is Notso.

Flipside

 * Shroom Shake - 30 Coins
 * Long Last Shake - 30 Coins
 * Life Shroom - 100 coins
 * Fire Burst - 20 coins
 * Ice Storm - 40 Coins
 * Sleepy Sheep - 10 coins
 * Courage Shell - 10 coins
 * Shell Shock - 20 coins
 * Star Medal - 50 coins
 * Gold Bar - 100 coins

Yold Town

 * Fire Burst - 7 coins
 * POW Block - 60 coins
 * Shroom Shake - 11 coins
 * Long Last Shake - 15 coins
 * Life Shroom - 50 Coins
 * Sleepy Sheep - 25 coins
 * Shell Shock - 8
 * Mighty Tonic - 50
 * Courage Shell - 25
 * Volt Shroom - 20 coins

Twinkle Mart (Space)

 * Sweet Choco-Bar - 10 coins
 * Shroom Choco-Bar - 50 Coins
 * Golden Choco-Bar - 100 coins

Downtown of Crag

 * Fire Burst - 15 coins
 * Shroom Shake - 25 coins
 * Super Shroom Shake - 100 coins
 * Life Shroom - 75 coins
 * Sleepy Sheep - 30 coins
 * Mystery Box - 3 coins
 * Primordial Fruit - 22 coins

Tips

 * A way to save money is to buy the stuff from Yold Town, as other than the Sleepy Sheep, the prices are all much less.
 * If you want to save money for beating the Space level, a Sweet Choco Bar would be most useful.