Hello. First of all. be aware. Here in freelancer there is a LOT of guy, from india and some other countries than are going to tell you "yes sir, we can do it sir, dont worry sir, create a milestone sir, release the mileston sir, i just ripped you off sir" SO be aware. Freelancer works like a escrow website, so the milestones are than, a part of the money than freelancer holds and you can release that amount when you see some advances. Do never release money before any work done! OK now, talking about SEO. There is 2 important aspects of SEO: On site SEO and backlinking. For 30 us i can do the ONsite SEO. Is related with optimize your website for a better gooble bots crawling. A website with a good Onsite SEO is more likely to rank higher on google than a site without optimization. Once thats done, we can start talking of Backlinking and how much time and resources we could spend to place you website in the top 3. If you want to talk more about it, just let me know and PM me. Best Regards