Long-Tail Keywords – specific keywords usually with 3-7 individual words in a phrase. They are highly targeted and MUCH easier to rank for than broad keywords (all mine are long-tail). The lower your domain authority (check using OSE), the less competitive (more long-tail) your keywords should be. If you can get more specific and the keyword still shows up in Google Autocomplete, Moz Keyword Explorer and other keyword tools… choose the SPECIFIC one.
Of course you want affiliates with high commissions, but they should also have a solid reputation with high conversions and low reversal rates (you get $0 if people cancel after signing up). If they’re part of an affiliate marketplace like ShareASale or ClickBank you can see some numbers there. Companies likes Amazon/SiteGround are safe bets, otherwise do your research (or track your affiliate links so you can monitor their performance). Avoid affiliates offering huge commissions since this probably means they’re struggling to acquire/retain customers naturally. This will hurt your numbers (specifically your conversions/reversal rates).

Great post! And nice commonly used and proven approach to generating affiliate commissions quickly! One tip I would add, for anyone having problems creating an ebook for your blog, one of the fastest ways is to take several of your best blog posts that fit a current theme, and then compile them all into your ebook. That way, you can create your ebook quickly, and get people signing up for your blog’s email list.
But you should understand that you won’t become instantly rich by selling product. This type of business is highly competitive because there are many other people into it. How to make money online in India can be simply answered by following these hacks to gain success in the field: through affiliate marketing, you need to understand the market, know how products are promoted, and understand how it works.
You may have noticed at the top of many blog posts there is a short disclaimer about affiliate links. For example, at the top of the posts on Well Kept Wallet, there is a statement that reads: “Some of the links included in this post are from our sponsors. Read our disclosure policy.” The link goes to a full-page explanation of how this site chooses and promotes products using affiliate links.
Hey Max! Just wanted to stop by and sincerely thank you for motivating me to start a blog. I was roaming around the web looking for side gigs and landed on your page, someway … somehow. 4 or 5 pages later, I was head down into reading your post about how to start a blog and happy I did. I have not launched yet, but I did want to stop by and thank you for the motivation!
Considering that you have a finite amount of time, passive income should make up a large part of your work. If you're serious about generating any semblance of income online, then passive income should be one of your sole goals and ambitions. Why? Wouldn't you prefer to do the work one time and get paid repeatedly as opposed to relying on your time to generate that income? Invest the time at the front-end so that you can reap the benefits on the back-end. This means putting in a bit of sweat equity and not getting paid today. Rather, you'll get paid somewhere down the road. And you'll continue getting paid whether you keep building that passive income stream or you stop. 
Always disclose your affiliate relationship. Most visitors will probably understand that graphic ad will lead to your getting paid, but if you write a review or use an in-text link as a recommendation, you want your readers to know that may lead to compensation as well. This ensures you retain transparency and trust with your readers, but also, it's required by the FTC's endorsement rules.