Funnel Help (Wix)

I am looking for someone who can simply investigate my entire funnel: advertising, to landing page, to rerouted page, to links, to email sequences, etc. Essentially, I have a funnel that looks like this: 1) Facebook/instagram lead magnet ad, 2) lead magnet landing page (user inputs name and email; they get the lead magnet in their email), 3) user then rerouted to a page explaining my online course (with links, etc.). In past years, I would get leads for around $0.50 per lead, which was great. However (it's a long story, but I put my course onto another site and now I am back to having it as a Wix Program on my Wix site), in the past few days, I have had something like 1 new lead despite 1,800 clicks (it looks like more than that, but most of those submissions are me trying to figure out the problem). When I test out the forms, etc. myself, it all seems to work fine. I can't quite put my finger on the problem. Thus, I am looking for someone to go through my entire funnel and try to figure out what is the problem. Maybe the problem is that it is just that bad, haha, I don't know! But I don't have the time or expertise to figure it out! Whoever is hired should have an understanding of Facebook advertising, especially the Facebook advertising platform, but also an understanding of Wix, Wix analytics, etc.