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== Coupon ==
== Coupon ==
{{MiniIconbox|name=Coupon}} reduces the ''Items Price'' secondary stat by {{Color|color=green|text=5%}}. This is an additive modification.
{{MiniIconbox|name=Coupon}} reduces the ''Items Price'' secondary stat by {{Color|color=green|text=5%}}.


It is the only item in the game that modifies shop prices.
It is the only item in the game that modifies shop prices.


Shop price reductions stack additively, and the current total can be seen in the secondary stats tab, as ''% Items Price''.
Shop price reductions stack additively, and the current total can be seen in the secondary stats tab, as ''% Items Price''. You can stack up to 5 Coupons for a maximum 25% price reduction. (Items will cost 75% of the default price.


Since the modification is additive, the economic value (= possible return) of each ''Coupon'' is identical: it lowers the price for an item by 5% of its unmodified shop price. This is true independent of the current ''% Items Price'' modification for the character.
The highest cost reduction possible is 50%, on the character {{CharacterIcon|Entrepreneur}} and having the maximum amount of 5 coupons.


''Coupon'' does not modify the cost of [[Shop]] or upgrade rerolls.
''Coupon'' does not modify the cost of rerolls in the [[Shop]] or rerolling [[Upgrades]].
 
The highest cost reduction possible is 50%, on the character {{CharacterIcon|Entrepreneur}} and having the maximum amount of 5 coupons.


=== Strategy ===
=== Strategy ===


The ''Coupon'' is an efficient economic item that provides a sizeable net gain in most runs, unless bought very late (outside of endless mode).
The ''Coupon'' is an efficient economic item that provides a sizeable net gain in most runs, unless bought very late (outside of endless mode). It is generally considered one of the better items in the game, and is nearly always bought in shop when seen, unless it is found at round 16-18 or later.
 
Since the base price of the ''Coupon'' itself is low, so is the opportunity cost of buying it, and it does become a net positive investment rather quickly. This means that ''Coupons'' should usually always be purchased if offered.
 
Additional ''Coupons'' become slightly more cost effective, because existing price reductions apply to the purchase of the ''Coupon''.
 
''Coupon'' is also more efficient on characters that already start with a lowered items price (for the same reason), and less efficient on characters with an increased items price (because it takes longer for the item to become net positive).
 
Late game ''Coupons'' will often not be able to recoup the initial investment, and should therefore be skipped (or recycled, if found in a loot crate, depending on the recycle value).
 
Since the ''Items Price'' stat is modified additively by the ''Coupon'', the effectiveness of the item does not change for characters that start with a modifier to this stat (such as [[Entrepreneur]] who starts at -25% Items Price, or [[Saver]] who starts at +50% Items Price). However, for characters with an increased items price, the initial investment for the ''Coupon'' itself is also higher, which needs to be taken into account.
 
''Coupons'' are very strong in endless mode, where they continue to provide their benefits past wave 20.

Revision as of 16:57, 1 December 2023

Coupon.png
Coupon
Item
Tier 1
Stats
-5 % Items Price
Price
15
Limit
5

Item

Coupon is an in-game item that can be bought from a Shop or can be found in a Crate. Most Items modify the Stats of the player, and some of them provide additional effects.

Coupon

Coupon.png Coupon reduces the Items Price secondary stat by 5%.

It is the only item in the game that modifies shop prices.

Shop price reductions stack additively, and the current total can be seen in the secondary stats tab, as % Items Price. You can stack up to 5 Coupons for a maximum 25% price reduction. (Items will cost 75% of the default price.

The highest cost reduction possible is 50%, on the character Entrepreneur.png Entrepreneur and having the maximum amount of 5 coupons.

Coupon does not modify the cost of rerolls in the Shop or rerolling Upgrades.

Strategy

The Coupon is an efficient economic item that provides a sizeable net gain in most runs, unless bought very late (outside of endless mode). It is generally considered one of the better items in the game, and is nearly always bought in shop when seen, unless it is found at round 16-18 or later.