Earlier quoted context omitted.
Might be anecdotal but on top of that, I've noticed that many car owners who previously only had services performed by a shop began doing their own maintenance. A friend who works as a service manager at CarMax had similar observations in conversations with some customers, including one DIY-er who forgot to torque their oil drain bolt correctly, lost the oil, and is now the recipient of a refurbished engine. I had on…
Jumping from only light maintenance to changing a rear main seal is quite the leap!
I remind myself of the the 5-digit savings whenever I'm in line at Harbor Freight... which is often.