Coffee begins as a fruit crop, and the roasted seed passes through growing, processing and roasting decisions before it reaches your brewer. For a beginner, that background is most useful when it helps identify the bag in front of you. A clear coffee label and a manageable quantity are better learning tools than a collection of vague claims about the world's best origin.
Choose a brewing method that fits the number of cups you need and the attention you can give it. Immersion methods keep coffee and water together, while flow-through methods depend on how water moves through the grounds. Each makes different demands on grind, filtering and cleanup. A grinder, scale and suitable vessel can make those choices more observable, but they need not all be purchased at once.
Start with a published recipe for the exact brewer and record what you used. Taste the result before changing anything, then adjust one variable. The source introduces a wide range of beans and methods; it is more productive to treat that range as a learning map than a shopping list. A simple method used attentively can reveal more than several unfamiliar devices used inconsistently.

The conversation
A good question can make a better brew.