How to know if a product is competitive?

Hi guys
Are you using a tool to find the competition for a product or keywords? All I can do is to type in google and see who is selling it.. how do you find if something is competitive or not?
Thanks.

there are different keywords competitions tools that can analysis difficulty to rank and monthly searches
for example MOZ keywords research tool
check below how it looks

Generally the tools are not precise enough to understand the competition for a given keyword. Depending on the traffic of the keyword, I may audit the SERP manually or use one of this tools. For example, if it is a longtail keyword with 100 monthly searchs, I will check tools like Semrush that offer this information with a lower degree of precision but enough to filter fast hundreds, of this type of little keywords.

But if I'm analyizing a 1000K+ traffic keyword, I take my time to check each of the competitors in the top 5 (or top 10-20 if we are talking about massive traffic keywords) to see some aspects like their content, their incoming links, they on-page seo, etc... essentially it's like doing a SEO audit for each competitor when you try to access a keyword niche.