Every wave in tiers 1-4 pays one column when it ends: the one for its kind.
What each wave pays
10| Item | Regular wave | Final wave | Big final wave |
|---|---|---|---|
 Scrap Paper | ×1 | - | - |
 Scrap Metal | ×1 | ×1 | ×2 |
 Five-Spice Beef Jerky | ×1 | ×1 | ×1 |
 Broken Glass | - | ×1 | ×2 |
 Door Repair Kit | - | ×1 | ×1 |
 All-Purpose Strengthener | - | - | ×2 |
 Fine Sheet Metal | - | - | ×2 |
 Electronic Components | - | - | ×1 |
 Tempered Glass | - | - | ×1 |
 Newspaper | - | - | ×1 |