Zero skills but I can learn with DIY YouTube videos. Concern being if I damage something whilst doing any.
We all had to start somewhere.

And unless you're looking at hydraulic brakes or electronic shifting, a bicycle is made up of parts that use basic mechanical principles. Things may look complicated, but usually they end up being more straightforward.
There's always good guidance to be had on here. Failing that, the Park Tools website has some excellent tutorials, as has
www.sheldonbrown.com - the latter, despite the site being a bit old, gives you a real shedload of good, sound and basic advice.
Some of the best things I've learned when it comes to working on my bikes are to take photos as you dismantle stuff, and then you have an instant guide for reinstallation. To use those plastic trays from blueberries or mushrooms etc to lay out all the bits you take off - first you can see what you have, and secondly you are far less likely to lose any. For components containing small parts or springs, if you can, dismantle inside / over a plastic bag as there's far fewer chances of sproings and pingfeckits. And lastly, cats and bar tape do not mix. DAMHIKT
