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== Cost savings==
 
== Cost savings==
 
* If your solution is not a low cost one then it is not really appropriate.
 
* If your solution is not a low cost one then it is not really appropriate.
# Estimate your costs
+
# Costs for this hand-drill
# Find a commercial equivalent
+
* 3D printed drill = $.25
# Calculate $ savings and % savings
+
* Drill bit = $1.31 each [https://www.mcmaster.com/#2931a11/=17gho4s Source Link]
 +
* OPTIONAL Spring = $1.40 each [https://www.mcmaster.com/#9657k439/=178iw9i Source Link]
 +
* TOTAL: $ 2.76
 +
# Commercial Equivalent
 +
* $72.50 Spring Loaded Push Drill [http://www.garrettwade.com/garrett-wade-yankee-push-drill-gp.html?scid=W4011000&gclid=CjwKEAjw3KDIBRCz0KvZlJ7k4TgSJABDqOK7gYO2vcjWjWNRMwKlAOlyfDBY7yFAoVMPz4q8u9-lEhoC7_Tw_wcB Source Link]
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* $15 for shipping per their calculated shipping policy
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* TOTAL: $87.50
 +
# $ savings and % savings
 +
* A total savings of $84.74, or more than 3000% in savings.
    
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