Giving away a helpful guide is a great way to grow a list — but a download on its own doesn't pay the bills. Plenty of creators pour effort into a free resource and never build the path from 'thanks for this' to 'here's my card'.
Make the free thing point somewhere
The best free guide solves one real problem and naturally reveals the next one — the one your paid product handles. Help completely with the first, and earning the second becomes an easy, honest next step rather than a hard pivot.
Follow up while it's warm
The days right after someone downloads are when your product is most relevant. A short follow-up that connects the free win to the paid solution converts far better than hoping they remember you next month.