Comment by nu11ptr
For #2, someone once said there are two pricing models (was it Joel Spolsky? Don't recall..):
$0 - $999 - direct sale/download, pricing on website
$50,000+ - full sales team, no pricing on website
And essentially not much in between... this has perhaps changed a bit with SaaS, but this is still semi true.
Oh yes it was Joel Spolsky: https://www.joelonsoftware.com/2005/11/18/price-as-signal/