Draftsmanship is the master of you craft. Practice and repetitision are fundimental in acheiving a degree of perfection, and the tools you use are a huge part of this.
The better the tools the longer they will last.
The better the tools the better they will aid you in your craft.
Buy the the best tools you can afford and as you develope upgrade your supples to better ones.
In sewing, any needle and thread will get the job done, not great, but done. Better needles make smoother better stitches.
Better thread will last longer, split and knot up less. The colors won't bleed.
Invest in your art practice. If you're using quality materials and the right tools on the right surfaces, it will make a difference in the outcome of your work.