Advertising may be an option. Find relevant communities you can be part of. Write useful, industry-related content and share it with industry-related blogs. Affiliate systems might work. For software/apps/games/etc 3rd party marketplaces, publishers, distributors might help.
Persistance is the main factor though. Overnight success is usually backed by hundreds or thousands of overnight experimentation and failure.
You're very lucky in the HN is an intelligent community that will most likely spend the time to point out where you can improve and what you're doing wrong with experience in a huge range of businesses. What they can't do is distill that information down so simply that it applies to all businesses.