If you need to make something longer, don’t add more explanation, add more examples.
“A good example is worth twice as much as good advice” - Albert Schweitzer
To get leads in any niche:
1) Make something good
2) Advertise it
3) Trade it for contact info
To make money:
1) Follow up with them
2) Offer them:
A) More of that thing you gave for free
OR
B) More help using that thing
For more leads, do more step 2 or make 1 better