Carrd is doing fine at $19/year pricing. I am trying to play the same game here.
Not to mention it’s in the vertical of blogging which has been around for 20 years, in which your offering is very similar to every other alternative, and there are many well known free alternatives.
If you have the technical skill to make a service this complicated, make something that people value more than $2 a month, and make something that hasn’t been made 100 times before. Execution is more important than idea only if the idea isn’t terrible.