Describe your niche. Get the phrases buyers use at each stage, from the first problem to the final purchase question.
An intent keyword is a phrase someone uses when they are close to a decision. “Best CRM for a two-person agency” is an intent keyword. “CRM” is just a category.
Start with the purchase-ready cluster. Reply to live threads first. Then use the problem-aware phrases to build the comparison page or article that catches the next wave.