Adobe Premiere is not what you need if you are unfamiliar with pro editing, and in fact is a world of pain for most people. Including some pros. Also it is an unnecessary cost. Why pay $50 a month when you can buy outright all you need for a one off?. I do not accept that Adobe is the only option here. If I was starting from scratch I would definitely go for
https://wave.video. Its cheaper, and easier to learn and likely be more productive.