If it was just $2250 for 45 years, maybe. That's not a payment option. The price will probably go up with inflation. It's probably closer to $4000-8000 after inflation, as $50 will become $100 after a decade or two.
If you go to the extent of including inflation, you should also account for the fact that your income will also likely increase - with raises accounting for inflation and career progression - making the price of a tool that can provide so much value even more negligible.