DRW Money

 was absent in Dead Rising but became an important part of every other game in the series.

Dead Rising: Chop Till You Drop
Money was first introduced in the Dead Rising: Chop Till You Drop Wii game. A new icon is introduced to the game the moneybag.

Zombies drop ammo and money when killed. Frank also recieves money by successfully escorting survivors.

The money was used to purchase firearms, item stock, and books from Cletus Samson in the Huntin' Shack. Frank could also sell firearms to Cletus in this shop.

Dead Rising 2: Case Zero
InDead Rising 2: Case Zero money was essential to completing the game. The player was introduced to a Pawn Shop where Chuck had to buy a Wheel to complete the game successfully.

This is a list of all ways to make money:

Dead Rising 2
Dead Rising 2 further expanded the way in which players could make money. In addition to the Case Zero ways of making money, players could also make money by:

Money is used in the four pawnshops to purchase weapons, Zombrex, vehicle keys, and the Knight Boots. Chuck must also pay a survivor to join him in Know When to Fold 'Em.

Tips

 * If there is money in laying in front of a slot machine, this means Chuck is guaranteed to win on that machine several times.