WoW CostBasis addon Dragonflight/Wrath of the Lich King Classic 2024
wow addon CostBasis


Game Version: 6.0.3
Total Downloads: 3,780
Updated: Apr 10, 2015
Created: Nov 2, 2010
download CostBasisDownload Earlier Versions

Earlier Versions

Name Size Uploaded Game Version Downloads
v0.2.3.2 release 171.85 KB Apr 10, 2015 6.0.3 1,003 download CostBasis v0.2.3.2 releaseDownload
v0.2.3.1 release 171.84 KB Jan 18, 2015 6.0.3 204 download CostBasis v0.2.3.1 releaseDownload
v0.2.3 release 171.83 KB Jan 17, 2015 6.0.3 72 download CostBasis v0.2.3 releaseDownload
v0.2.2-603 release 171.86 KB Nov 22, 2014 6.0.3 217 download CostBasis v0.2.2-603 releaseDownload
v0.2.1-603 release 171.92 KB Nov 17, 2014 6.0.3 110 download CostBasis v0.2.1-603 releaseDownload
v0.2 release 167.90 KB Oct 28, 2012 5.0.5 697 download CostBasis v0.2 releaseDownload
v0.2-alpha-5.0 beta 167.35 KB Oct 28, 2012 5.0.5 42 download CostBasis v0.2-alpha-5.0 betaDownload
v0.1-beta2-4.3 beta 146.03 KB Dec 13, 2011 4.3.0 661 download CostBasis v0.1-beta2-4.3 betaDownload
v0.1-beta2 beta 148.71 KB Oct 25, 2011 4.2.0 508 download CostBasis v0.1-beta2 betaDownload
v0.1-beta1 beta 139.45 KB Oct 21, 2011 4.2.0 80 download CostBasis v0.1-beta1 betaDownload
v0.2.3.1-1-g32b50bf alpha 167.94 KB Apr 10, 2015 6.0.3 22 download CostBasis v0.2.3.1-1-g32b50bf alphaDownload
v0.2.1-603-1-gda8b8eb alpha 167.92 KB Nov 17, 2014 6.0.3 25 download CostBasis v0.2.1-603-1-gda8b8eb alphaDownload
v0.2-3-g9085b24 alpha 168.00 KB Nov 17, 2014 6.0.3 23 download CostBasis v0.2-3-g9085b24 alphaDownload
v0.2-2-g6c279c5 alpha 162.14 KB May 11, 2014 5.3.0 30 download CostBasis v0.2-2-g6c279c5 alphaDownload
v0.1-beta2-4.3-3-gffa963c alpha 163.44 KB Oct 28, 2012 5.0.5 16 download CostBasis v0.1-beta2-4.3-3-gffa963c alphaDownload
v0.1-beta2-4.3-2-gd7d5bba alpha 157.43 KB Oct 28, 2012 5.0.5 17 download CostBasis v0.1-beta2-4.3-2-gd7d5bba alphaDownload
r20111021004003 alpha 139.37 KB Oct 21, 2011 4.2.0 27 download CostBasis r20111021004003 alphaDownload
r20111019172541 alpha 139.26 KB Oct 19, 2011 4.2.0 26 download CostBasis r20111019172541 alphaDownload


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Computes and maintains the (approximate) average cost basis for items purchased and crafted.

Whenever an item is purchased, either from a vendor or from the AH, the cost is recorded. Whenever an item is crafted, the cost for it is computed based on the cost of the reagents. Similarly, when items are prospected, milled, or disenchanted, the resulting items' costs are computed.

The cost basis for items is displayed in the items' tooltips. The goal is to help price items for sale based on exactly how much they cost to create.

For example:

  1. Buy 2 Saronite Ore on the AH for 50s each. The cost basis for Saronite Ore is recorded as 50s.
  2. Smelt the ore to get 1 Saronite Bar. The cost basis for the bar is recorded as 1g.
  3. Buy 20 Crystallized Earth on the AH for 40s each, and then convert them into Eternal Earth. The cost basis for each Eternal Earth will be 4g.
  4. Transmute one Eternal Earth into Eternal Shadow. The cost basis for the Eternal Shadow will be 4g as well.
  5. Finally, buy an Eternal Water on the AH for 1g and then craft an Eternal Belt Buckle. The cost basis for the buckle will be 10g.

All of this happens automatically as you shop and craft. When the time comes to sell, the cost basis is displayed on each item's tooltip and serves as a guideline for pricing the results.

This addon was inspired by real world cost basis accounting. For more information see The calculations are based on the "average cost single category" method.


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