More than one person has noted the similarities between contract drafting and computer programming. Much of what Karl Hughes has to say in The Bulk of Software Engineering in 2018 is Just Plumbing could apply equally to contract drafting:
… Just like plumbers, we are paid to know our tools and understand how they work together to make a usable piece of equipment, not to reinvent working technology or spend 80 hours optimizing something that 5% of our users will use.
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If an off-the-shelf solution exists, grab it, don’t build it from scratch.