When someone asks this question, it is like going back to short-term thinking habits. It doesn’t matter how long the long term is. It’s as long as you want or need it to be to accomplish what you want.
We are all limited by the span of our lifetime. There is no longer term than that of a human life. The longest long-term for everyone is different. For some it is 60 years, for others it is less, or more.
If you don't know about how to create your educational website, where students will buy different kind of works such as https://essaymap.org/term-paper/ or where students will read some educational articles about school, university or college you need to analyze long-term strategy of your competitors!
Is it a down-side that the long term is uncertainly long? This might make people feel anxious. To a mind whose curiosity is aroused enough to the point where anything can be learned thoroughly, this psychological barrier will be easier to overcome than to one who doesn’t really care about their work.
Google doesn’t like it when webmasters intrude into the workings of their inner algorithms. It makes no sense to spam blogs or forums and other sites with back links, or buy links that people are willing to share for free. . . with the intent of putting that content into a system that does not reward such tactics. This is why your website’s traffic is not increasing.