You can get really nice curves with quadratic Béziers, but I wouldn’t want to use them for drawing.
I wonder to what degree this is due to poor editing paradigms for quadratic curves? If tools were to enable smooth, tangent and corner properties for quadratic on-curve points, might there be better parity between cubic and quadratic outlines as productive drawing tools?
I begin every project quizzing the customer about their needs, because generally they have only partially determined these. I try to build as complete a brief as possible, both in design and technical terms, with the focus on documentation of the proposed glyph set. This is a lot of work, typically undertaken speculatively unless the customer has specifically requested my consultation and agreed to pay for this upfront work. I like to prepare in this way so that neither the customer nor I have nasty surprises during the project, and I can therefore price the work both accurately and competitively. I quote design (glyph creation and spacing) on a per glyph basis, making distinction between base, composite, and derived glyphs (derived glyphs would be technically not composites, but based on existing glyphs, e.g. /Hbar/. Other work, such as kerning, OpenType programming, mastering, and testing are quoted based on time estimates.