If you want the easiest
Glass of water on a heat mat at 80°. At least one node, scrape stem to the white, low light, change water about 1x/week. About 5 days to start showing roots. No domes, ever.
I've tried most ways. Soil, perlite,coco, vermiculite, root plugs, EZ Cloner, diy aero, domes of...