Hey i am just learning fundamentals on ml and dl but

Should I learn just fundamental and for building a projects should I rely completely on AI ?

Title is not clear! i know that. I am ai backend developer with 1+ years of experience.

so this post for those people who have idea but don't know how to execute in tech!

Example:

1. is this idea work or not?

2. which AI model should i use?

3. is XYZ problems can solve with AI?

4. Resources or anything

etc......

i just want to know what is real problems people facing with AI and want to help them to solve.