This is definitely a great investment to get when you can afford to pay for it. If not, get the Dotcom Secrets and Expert Secrets book for a starter as those cover quite a few things that is inside Funnel Hacks as well, and it is at a much lower cost as well. You’ll definitely learn a lot from those books combined with what you learn in Wealthy Affiliate.
In particular, if someone makes it through to the end of your landing page, you have a final opportunity to convince them to convert (incidentally, this is a good place for another CTA). With your closing argument/reinforcing statement, you should summarize everything you covered in the rest of your landing page and then throw in any additional selling points you think might seal the deal.
Your sales funnel is healthy if you have enough prospects going through it. If you’re moving enough prospects through the funnel with the experiences and interactions you create and if you are able to profitably convert enough prospects into paying customers, your sales funnel is healthy. See our article on Sales Metrics – 17 Reports That Improve Your Sales Pipeline Performance to help measure your sales funnel health.
There’s a better solution: It's not impossible with sales funnel management automation. Set up your system with the response you want, and it will be ready to send it immediately to any interested prospect—even the one who contacts you on Saturday at 3 am. As captured leads pass down the funnel, your sales automation platform can send added personalized emails that are just right for each moment.