Start with the drink you actually make. For a black filter coffee, decide whether you enjoy fruit-like brightness or a rounder chocolate impression. For milk drinks, consider how much roasted flavor you want to remain noticeable. These preferences are more useful than treating a country name or an expensive bag as a promise of quality.
Read the bag in layers: producer or region, processing method, roast description, and roast date when provided. A tasting note describes an impression; “blueberry” does not usually mean that fruit was added. Roast labels are not standardized across all roasters, so one brand’s medium can differ from another’s.
Buy a small amount first and keep your water, dose, grind setting, and brewing method consistent for the first comparison. Write down what you liked and what you would change. Ask the roaster for a recommendation using those observations. A repeatable preference makes your next purchase easier than a long list of prestige terms.

The conversation
A good question can make a better brew.