I feel I spend easily 3-5 times more on "QA" with LLM vibe coding than doing myself, the only difference, I couldn't code what I am currently making without LLM

I feel I spend easily 3-5 times more on "QA" with LLM vibe coding than doing myself, the only difference, I couldn't code what I am currently making without LLM, the breath of knowledge required is just too vast.