And sharing or giving away an ebook is close to impossible (although technically there are schemes that allow this).
If you are willing to wait a few months, the price of a used best seller hard cover book will drop to about 1/4 of its original price in the secondary market on Amazon and other sites.
If you want free ebooks of the classics and various books in the public domain and so on, sites like archive.org or Gutenberg have thousands of free ebooks to choose from.
Frankly, I'm spoiled by the fact that when I was a young man, I could go into the drug store and buy a Dell Pocketbook for 25¢.
I was never a big e book user, but I seem to recall that originally ebooks were considerably less expensive than print, on the scale of a fourth the cost perhaps?
Now they cost too much and frankly are difficult to read.