Sure, I have advice: Don't have unrealistic expectations.
The truth is it's becoming more and more difficult to succceed, but it's certainly not impossible. It requires a ton of hard work, that is undeniable.
Tell us a bit about your site/sites. How long have you been working on them, what kind of traffic are you getting? What kind of
conversion rates? Do you know anythinig about SEO? What is the 5 most important lessons you've learned so far since you started out?