One issue in Spanish that causes a lot of confusion is "por vs para". Both mean "for" in English, but they are not interchangeable.
This is one of the situations where my students are most hesitant. The info you'll find here is what they learn and use successfully in their real conversations.
But you won't have to watch a 15 mins video or take a full course to learn about it. In less than 4 minutes you can see the main problems and solutions with POR.
Not only that, but you can download all the info in this infographic and take a look at it every time you need to remember!
Let's do this!