Influencer marketing for my Saas

Hey, have any of you tried to hire influencers for marketing your Saas? If soo, how much did you have to pay them? - fixed price, a % of revenue created, any other deals?

With my Saas, I'm targeting young entrepreneurs and solo founders which means the niche is quite large and the opportunity for growth is incredible. Being of one of these people myself I really know the pain points and the struggles which means the product starches my own itch.

Soo far, what we did for marketing was a little bit of Instagram and Tikot but realised this channels don't really bring in any conversions (maybe we'll try again later but right now we are getting better results with other channels), as well as Reddit, X, Linkedin and your one and only SEO.

I think a good influencer could also get us some sales, but I'm just interested in how to go about this?

Thanks for all the answers. Cheers.