Everything is worth the money. Do not skimp on advertising. After all, others will not save money and will pay more attention to themselves.
Now, without advertising and promotion, it is impossible to attract attention to your products and services, no matter how good they are. That's why a large number of marketing agencies have appeared.
So the problem is that without advertising, even a good product will not be able to enter the market and attract attention. They'll just strangle him.