You can attend industry meetups and conferences in your area to establish and nurture relationships with other digital marketers and get professional understanding. Don’t forget to try your own projects. Digital Marketing is an area with many gray areas between best practice and what can actually get results for a business. You can try your own ideas without blindly following leaders’ opinions.
Teachable and Udemy are two of many, but these are the most prevalent, and they’re both intuitive and user-friendly. With Teachable, you have more control over your pricing and the look and feel of your course, but you don’t get a built-in audience. Instead you have to do all the marketing yourself. Udemy has a built-in base of students, but you don’t have as much control and they take more of your revenue.
I clicked on a number of products to see where it took me. It does appear that the products are connected to Amazon but one would never know it since the product that shows is not the same as the listing on Amazon.. I have started a site using Amazon Affiliate products and when a visitor clicks on a product on my site it takes them to the product listing on Amazon which looks totally differenet than the Gear Patrol listings.
Establishing residual income allows you to accumulate wealth faster, have a more flexible lifestyle and maintain a diverse financial portfolio. As with any successful investment, hard work is required. With residual income, however, that work tends to be upfront. Once your revenue stream is established, the work and time involved is significantly lower than active income sources. With residual income, you’ll secure funds for your future, have a better idea of where you stand financially and enjoy peace of mind knowing you’re maintaining lucrative, long-term investments.  
Why We Buy What We Can Get For Free – Many people feel uncomfortable  selling something online because of the nonsensical “I can find it anywhere on the internet, why would I buy it from you?”  argument. In this post, Derek explains why it’s okay to sell stuff on your blog, what to do with people who complain about it  and interviews Dan Ariely, who is a professor of psychology and behavioral economics at Duke, as well as NYT best-selling  author of “Predictably Irrational”.
I think this is a KILLER niche because site visitors will have just spend tens of thousands of dollars on a truck, so a couple hundred on accessories won’t feel like a big deal.  Also, MOST of the products in this niche would likely be in the $100 to $300 range, which I find is the sweet spot for niche sites.  More expensive and people research it for weeks before buying (and consequently your affiliate link expires before purchase), or too inexpensive and the commission is simply too small without massive volume.
Singorama focuses on teaching people how to sing and includes various products and tools. The best income comes from promoting the digital version, where you’re earning a 70% commission. The physical edition doesn’t pay nearly as well but it is still more than many physical products. Just be aware that this is a Clickbank product. So, it’s best as a side affiliate project, not as the main product that you promote.
Passive income is the Holy Grail for online marketers. It's automatic. Effortless. But, not at first. In the beginning, it's grueling. I liken this to doing the most amount of work for the least initial return. However, over time, as your passive income begins to increase, your reliance on an active income plummets. That's when the real magic starts to happen.
Email marketing is still one of the most valuable tools for marketers and businesses to reach and engage their customers. A well-thought-out email marketing strategy is an integrated part of any digital marketing outreach. There are many tools available like mailchimp, sendgrid, convertkit, which make email marketing easier for marketers. To get an overview of email marketing you should learn about:
Andrew Warner is an entrepreneur who is best known for building Mixergy. He did well in business way before Mixergy, though: when Andrew was in his early 20s, he and his brother started few businesses, the most successful being an online greeting cards company that reached the revenue of 1mil+/month. Later, they sold that company, and Andrew came up with an idea for business meetups, which he called Mixergy. That didn’t work out very well, but once he discovered interviewing, he was on the right path and Mixergy as we know it today was born.
Obviously with such a hugely valuable niche where people will be spending on average around $30,000 to $60,000 on a boat, there will be tons of information and reviews available, right?  Wrong!  In fact, MOST of the boats that I was interested in had zero reviews to be found anywhere on the internet.  Zero.  And all the manufacturers showed was a few pictures, sometimes a sales video, and an abbreviated spec sheet.  That’s it.  I scoured the internet for unbiased reviews of boats and did not find anything helpful at all.