What kind of website are you running?
If you're trying to earn legally, do not use any blackhat methods.
This is true, your website could end up being penalized.
SEO is a long process, it takes month to rank on the keyword searches you wish to rank. Are you willing to pay and wait?
My offer is targeted social media marketing which your website will be promoted to certain groups and websites where your potential customers and clients are staying. Can you PM me your website and I can then send you a quote and if you agree I can come up with a marketing plan.