Serious question: if your potential customers don't feel that your solution isn't worth paying for, how great of a "problem" do they really have? I have an exc

Serious question: if your potential customers don't feel that your solution isn't worth paying for, how great of a "problem" do they really have? I have an excellent solution to extract cats who have become wedged into fishbowls. Haven't made a dime on it yet. Whose fault is it if I go deep into debt trying to sell it?