[Bigtoe32067]

I use an air brush that works pretty good. No brush strokes, no dabs and you can coat it as many times as needed to make the edges even. Then a little wet sanding with 3000 and polishing compound after.
This works great for larger chips. The really small ones I use the toothpick method or a paint pen. I also have some really tiny qtip looking applicators that work also in place of the toothpicks.

I’ve tried everything over the years and found this to be the best solution. At least for me.

You can buy a small air gun and compressor with a regulator and filter setup for under $100. Make sure it comes with a dual action gun. That way after you lay down the paint you can move it to edges of the chip with air and not use too much paint that it becomes convex on the surface when it dries.
Even if it does then it can be sanded down smooth and cleared over.

It takes a whole lot more time, effort, and money but you get a much better result than the paint brush or paint pen method.

Do some experimenting with the cheaper easier methods like paintbrush or toothpick and see if they work well enough to meet your standards. I went the airbrush route because I was doing it on a Ferrari and I need it to look as close to perfect as possible

Good luck