Computer fan, magnet, stir bar, Tupperware container, and foam bung.
I shook my starters for the 1st year. No absolute need for a starter stir plate.
Franx- beat me to it
You can pic up a book - Palmer/Mosher/Kunze/Narsis to name a few
Web - braukiaser.com phdinbeer.com brewgeeks.com byo.com etc
Social media- Milkthefunk
Multisource some articles on brewers yeast life cycle or phases.
Understanding lag, growth, fermentation/stationary, and sedimentation/flocculation are the basic overview. Reading in depth about ale yeast, lager yeast, brettanomyces, and bacteria in beer.
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