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Re:What can a pipe wrench teach us about software engineering? by Joker_vD on Thursday October 22, 2020 @12:16PM (#24859665)
Rocks ain't free. Finding and picking up a rock usually requires at least half a minute, so if one takes an hourly wage to be $24 that makes the cost of obtaining a rock equal to... about 20 cents.
Re:What can a pipe wrench teach us about software engineering? by thaumasiotes on Thursday October 22, 2020 @01:19PM (#24860466)
But there are two further considerations:

(1) The cost of the rock drops precipitously with your ability to pay. No matter what value you compute for the rock, you will find that the actual cost of a rock never rises above "negligible" for anyone who isn't severely handicapped, regardless of ability to pay.

(2) If you anticipate needing a rock in the future, you probably don't have to dedicate any time to finding one. You can just pick one up whenever it happens to be convenient.