I will do shopify store speed optimization and product on page SEO

You are already ahead of 80% of your competitors if you have good on-page optimization. There is a lack of understanding of the importance of on-page optimization most of the time. In other words, it's like doing off-site work without preparing the ground.

Yes, Contact me, If you have some unique requirements that are not mentioned in the Gig page. I would tailor a custom gig for you depending upon your needs.

SEO does not offer any guarantees. You should be cautious of people who promise to rank/page #1 for your website, as they are either scammers or black hats. You should beware of them. According to Google, however, "Beware of SEOs that claim to guarantee rankings"!

I would fix all the OnPage & Technical SEO issues on your site and also optimize it for the desired keywords by optimizing Title Tags, Heading Tags, Image ALT Attributes and Meta Desc. I won't write the extra content in this gig to target new keywords, if required it would be charged separately.

SEO results are not immediate and ranking depends on different many factors. Keeping other factors constant, it may take 2-3 months for low-competitive keywords, 4-6 months for medium, and 6-8 months for high competition keywords to start seeing improvements in rankings.