Before you start your staining project, it's important to lay down a drop cloth to protect the surface you'll be working on.
Next, you'll need to grab your stain. Stains vary with the types of projects you're doing; indoor, outdoor, high gloss, or semi-gloss to name a few. Make sure you have the right stain for your project.
Then, grab your paint brush. Here's a few tips on how to choose the right paint brush for your project.
As you start staining, paint with the grain. When you look at a piece of wood you'll see that the pattern moves in one direction, that's the grain. Painting with the grain means painting in the direction the wood fibers are going, rather than against them.
Do one section at a time. Let each section rest for the same amount of time, because the longer let the stain soaks in, the darker the final color will be. After the stain has sat for a few minutes, wipe off any excess. Different wood accepts stain differently. You'll notice some areas absorb more color than others. Keep that in mind when choosing your wood.