How to instantly improve your photos without buying anything.
Want to instantly improve the look of your photos? Learn basic composition. That's really it. Knowing where to put things in the frame of your shot and what to exclude is probably the single most important thing that I focus on when making an image. Where does one start with learning that? Here's a good article on the subject: https://www.photographymad.com/pages/view/10-top-photography-composition-rules
Much of really learning composition comes from practice. Usually a well composed photo get's attention from its ability to manipulate the eye of the viewer. Drawing the eye across the frame through a leading line or by the pleasing repetition of pattern or sensory amplification of texture. Knowing what these are and how to master them takes time, but when you do, your photos will instantly be improved.