Hi Mason,
First of all, Billslugg is a highly respected member, and his advice is good, especially if you are interested in actually observing.
I am 85, and have been interested for 75 years. I started with a small telescope, and there is certainly a kick to be had from actually seeing astronomical objects. As I got older, I realised that there were books and magazines with wonderful photographs, and now close up pictures from space vehicles, far beyond the realm of amateur telescopes. "forget about a telescope until much later" is good advice.
It is entirely up to you, depending on what interests you most. I can remember, initially, the thrill of seeing the real objects, even if they were only tiny bright dots. Then when I saw close up pictures of the real thing. Both so interesting in their own ways. Maybe there is a club or observatory within visiting distance from you, so you might get an intermediary view?
The library, of course, is an excellent step. You might like to get the occasional reference book - perhaps a sky atlas. Star charts give you 'pegs to hang your increasing knowledge on to'.
You can look at magazines on eBay, but beware
silly prices. There are realistic prices too.
Find great deals on eBay for Astronomy Magazines. Shop with confidence.
www.ebay.co.uk
Same applies to books.
Then there are thousands of things to Google, e.g., Jupiter:
Explore the extraordinary conditions that create Jupiter's iconic Great Red Spot, vast auroras and the most volcanically active body in our solar system: Io, one of Jupiter's moons.
www.nhm.ac.uk
Best wishes for your adventure towards the stars.
Cat