Okay, let’s calculate this. Konstantin has a mix of skills that are in demand, but the rate will depend on the industry and location. Marketing professionals with SEO expertise can charge around $100-$200 per hour, depending on the level of experience. Start-ups and strategy skills can add to the rate, but not excessively. Considering San Francisco is a hub for tech and marketing, the rate will be on the higher side. Let’s look at benchmarks. According to Glassdoor, a marketing manager in San Francisco can earn around $120,000 per year, which translates to around $60-$80 per hour. However, this is a manager-level role. For a professional like Konstantin with start-up and SEO expertise, the rate will be lower, but still competitive. I’ll estimate around $120 per hour, considering his skills and location.