How to get a smooth drywall finish without hiring a taper?

Tape your seams properly with mesh tape and joint compound, then sand between coats - most people need three coats minimum to hide the tape line. Use a wide knife (10-12 inches) to feather the compound out smoothly, and don't rush; let each coat dry fully before sanding. The real trick is patience and decent lighting to spot bumps. It's doable as a DIY job but does take practice, so don't expect perfection on your first wall.

The real trick isn't just about technique - it's about patience and accepting you'll probably screw up your first wall. Most people rush the drying time between coats, which is why their finish stays rough. You need to wait the full time the compound specifies, even if it looks dry on top. Temperature and humidity matter too; if it's cold or damp in your space, add extra hours.

Here's what makes the difference: use setting-type compound (the powder you mix) for your first two coats - it dries faster and harder than all-purpose, so you can get back to sanding quicker. Save the all-purpose for your final coat since it's smoother and easier to sand without creating dust everywhere. When you sand between coats, don't go crazy; use 120-grit and just knock down the high spots and ridges, not the whole surface. A lot of people sand too aggressively and end up exposing tape or creating divots they then have to fill again.

The final coat is where most DIYers lose it. Use a wider blade than you think you need - 14 to 16 inches if you can handle it - and apply the compound thin. Feather the edges out further than feels natural. If you're still seeing imperfections after that third coat, a fourth thin one beats trying to sand out problems. Good lighting (throw a work light at a low angle across the wall) helps you spot what actually needs work versus what's just a shadow.

Smooth drywall without a pro is doable, but it's genuinely harder than people think - the difference between "acceptable from across the room" and "actually smooth" is huge. I tried finishing a hallway myself a couple years back and learned that your knife technique matters way more than the number of coats; I was pressing too hard and creating ridges that sanding barely fixed, then I switched to letting the compound do the work and barely touching it with a feather-light hand, and suddenly things looked way better. The other big thing nobody warns you about is that the dust from sanding between coats will absolutely coat everything, so seal off the space or you're vacuuming joint compound out of your closet for weeks. If you're doing this, invest in a decent drywall sanding pole and decent lighting - you need to actually see what you're doing under bright light or you'll miss all the imperfections.