I've tested the referring. A couple of issues.
The stats are horrible. It says I have one referral. I assume that's Rui but they give no data whatsoever. The banners are also kind of bland. They do get clicks though. 1/1000. not a bad ratio. I've tested with 3500 clicks at PTCS. No signups. I don't have a good feel about the referring. I've got another 40K banner impressions to go. I'll reply if I see anything change.
My recommendation is not to try referring.
Also, I am really starting to get burned out on referring. It is getting worse, in my opinion. I am definitely thinking of pulling back and just reinvesting cash in sites and cashing out to crypto to hold for any run up. I look around for things and still test but I am very uninspired in that area currently. There is no point in losing a bit anymore in order to make it up in the long run. Usually, by the time the long run rolls around the site is dead