Here are some places you can get your hands on a copy!
Here’s where to find a copy of how to raise an adult
Grab a used copy at Thriftbooks for under $5!
Sign up for a free month of Audible and use your credit to get How to Raise an Adult.
Grab a used copy at Abe Books for $5!
And, of course, check if your library has digital versions of it through Overdrive or Libby!