1. Put them in a pot with just a little water (1/4 inch) or use a double boiler. Don't let it boil dry. About 15 minutes is enough.
2. Right, just let them float.
3. Just put the airlock on, unless you do a really big starter. Buckets generally have a lot more head room than carboys.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
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