Robots and electricity won’t be used after moshiach. It’s too complicated to use by sons of Adam. The bnei nachash use it.
The Talmud says everyone will have to farm one day. The old trades of carpentry and tailoring will thrive.
My grandfather has a line of tailors going back centuries. It’s something HaShem has blessed me with talent, and you shouldn’t work for money, just use your talent to help others.
Jewish tailors can be used to stop shaatnez for example. a lot of apparel today has shaatnez even though it says 100% cotton, etc. you don’t know who made it (some slave labor in china?), and why would you trust them?