The first time you see one of these paintings in person, you assume the painter has something you don't: an art degree, years of practice, a naturally steady hand.
Here's what's really going on. A beach scene is three soft bands of color: sky, water, sand. No faces to get wrong, no buildings to keep straight. The horizon is one level line, and a thirty-second trick gets it straight every time. That famous turquoise glow? It comes from laying three colors down in one specific order and letting them melt together while the paint is still wet. Right order, the glow shows up on its own. Wrong order, mud. That's the entire difference between your painting and the one you admired online.
You won't draw a single thing first. If you can spread butter on toast, your hand is steady enough. And that starter set of acrylics you bought on sale two summers ago and never opened? It has every color this painting needs.
The workshop simply hands you the order.