Does primary SEO optimization make sense without a guarantee of results?

Question

Search Engine Optimization

Many studios offer to make a website and conduct primary SEO optimization, while they do not give any guarantees for promotion. Those. they say we will make a meta markup, a site map, etc. But we don’t know what positions you will find yourself in. The question is, does it make sense to do primary SEO optimization without guarantees of results? And if so, which one? I feel like a scam, or am I wrong?

Answer 1

Well, how should one understand that both secondary and tertiary, and in general any SEO optimization without a guarantee, guarantees are given only by Yandex and Google