There are hundreds of techniques to drive traffic to your site, some are very time consuming while the others work faster. While traffic is a key component, it doesn't mean that you aim for useless audience, because ultimately it's all about conversions and sales (aka money).
Regarding Black Hat SEO techniques, it's really a very broad topic, you've to search for working techniques and apply them yourself. And yes, Black Hat SEO is generally more faster, it has lots of benefits - the major one is that it saves a lot of time. If you're a novice in the SEO industry, I recommend you to start from the pure basics and then dig deep in advance stuff.
Just a friendly reminder: BHW isn't really the right place to ask level 0 questions, there are lots of guides regarding this general questions.