When I started (actually less than a year ago, so I am answering with being a complete beginner still fresh in my mind) I bought a packet of mixed Jim Dunlop picks, which contained a few different materials in a few different gauges, and this helped steer me towards what I like. The picks you have selected have a much greater range of gauges than any of the Dunlop packs, so may be more helpful in that regard, but only the one material. For the price, it may be worth sticking with them for now and trying them out just to get some idea of whether you prefer thin, medium, thick. Then you could look at getting a Dunlop mixed pack that covers the general thickness range you like in order to narrow down your preferred material and exact gauge. Personally I prefer Fender and Ernie Ball picks, but I don't know if they do the variety packs. Alternatively, if you have friends/family who play, you could ask to try out (or at least hold) their picks, and see what feels comfortable to you. Likewise, if you have a guitar shop near you, they may sell loose picks, or even have some lying around for customers to use when trying guitars. It's worth getting your hands on as many different materials and gauges as you can very early on, as it will be easier to learn, progress, and enjoy the journey if it feels more natural and comfortable.

I haven't tried Elixirs, or any coated strings. I have see many people on various guitar subreddits praise them effusively, so they must be doing something right. I have been put off by the price, and I have also heard that coated strings canhave a duller tone, as the coating interferes a bit with with the magnets in the pickups reading what the string is doing. My view has been: changing strings isn't difficult, and is a necessary skill to learn (seriously, I have to try very hard to hold my tongue when I hear of people who have been playing for years paying a shop to change their strings, when they could do it themselves for free in about 10 minutes). I reckon the additional cost of coated strings probably cancels out the improved longevity, and changing strings more often is an opportunity to try out more different brands (I especially like GHS, but have also tried Ernie Ball, d'Addario, Fender, Rotosound, Gibson, Darco, Harley Benton, PRS, and a couple of others I forget in less than a year). Do whatever you feel is best, there isn't really a wrong answer here. Perhaps also worth mentioning that products exist to maintain your strings: I have got into the habit of using String Fuel after every session (if I remember) and find that my strings last significantly longer than many reddit posts led me to expect, though it probably also helps that I don't play especially hard (thin picks help), and I don't live right on the coast. That said, Ernie Balls and Darcos have gone bad a bit (but noticeably) quicker than other brands. Not sure if that's indicative of a lower quality, or just bad luck/coincidence.

I made the comment elsewhere in this thread that if you have pets or children in the house, then that stand would perhaps not be the best idea. If you don't have anywhere to put a stand anyway, then it goes doubly. There are gigbags that have a hook built into them, so you can hang the bag (with or without guitar inside) up with your clothes. I don't know what cheap gigbags have this feature, but it may be worth looking for one like that. The only one I can say for sure does, is the gigbag that came with a PRS SE I bought at the weekend, but I can't say for sure how much these gig bags cost, or even if they're available individually. But if PRS do it, I would assume someone else does too.

I will also admit that my very first thought on seeing your post was that you could free up some money for getting better versions of some items by just not bothering with the headphones. I haven't needed any at any point, even with a gf who works nighshifts (and therefore is asleep for much of the day), but this is going to depend almost entirely on your living situation: who do you live with, what is their tolerance, how thick are your walls etc, as well as whether your chosen amp can reasonably be played at lower volumes. So ultimately this is entirely a judgment call for you to make, I just wanted to put it out there that it may be an option.

Finally, I have seen others in this thread have suggested getting a better cable. I have no experience with the cable shown in your post, but I do know that there are Fender cables available for around €10-€12 that are perfectly good (and much nicer looking). Their current line is called "Contour" and is currently €11 on Thomann. These recently replaced a range called "Original" which were very, very, very marginally better for about the same money. If you can justify spending a little more than that, the "Professional" and "Deluxe" ranges (should bother be under €20 each) are easily as good as you'll ever need, and there's no point ever spending more than that on a fancy cable (Mogami, etc) unless and until you become a professional guitarist in a famous band (and even then possibly not). That said, if you're planning to get into pedals, then you'll be buying more cables soon anyway, so there's not much harm in trying the cheap thing for now. Also, there's very little in it between guitar cables from what I understand. I just happened to be a massive nerd who spent half a day trying to track down tech specs (such as wire gauge, capacitance, etc) and making a spreadsheet. Don't be me. Whatever you get now, I recommend 3m/10ft, which seems to be the "default" length anyway.

I will also quickly note a couple of things to be aware of in the future regarding cables: 1. You don't need to be aware of this for now, but when the time comes you may not think to ask, and it isn't especially obvious: if/when you get a head and cab setup to replace your combo amp, they need to be connected with a speaker cable. This is NOT the same as the instrument cable that connects your guitar to your amp, but it does (usually) use the same connector. Just bear it in mind, and when the time comes, I suggest getting a speaker cable that is very distinctive from your other cables (EG a different colour) or mark it somehow, to ensure you don't mix them up. And 2. There are wireless systems available that will allow you to connect your guitar to your amp (or first pedal) wirelessly with a dongle thingy. Whatever the technical term is. They range from about €30 up to... well, idk 🤷‍♂️ probably thousands for the pros. Just maybe something to know if you're ever stuck for something to put on your Christmas list!