There are thousands of _great_ books on gutenberg.org (classics, ancient Romans/Greeks, etc.). You can read for 100 lifetimes and spend 0 on (e)books

I got a laptop that I bought in 2015 and I took care of it nicely so it works great! I got my phone (new) from a pawnshop, for a fraction of its real price.

Cycling to work (to save on tickets (I don't use a 'monthly card') and squeeze in a 20km bicycle round-trip to work)