With respect to claiming social security we most often hear, “wait, wait, wait, and maximize the amount”, but Mike Piper takes a deeper look and explains that in many cases claiming early can be the right decision.
Oblivious Investor – 9 Good Reasons for Claiming Social Security Early

He’s also written a “100 pages or less” book on the topic titled “Social Security Made Simple” that would make a great reference to have on this rather confusing topic.