There is a reason to pull on the prop. Those of us who fly behind wooden propellers need to check that variations in temperature and humidity haven't caused the bolts to loosen.
The sage advice passed onto me by various venerable aviators, and it must be reasonably good advice as all of them still had a complete set of peripheral digits.
1) Chocks in, Brakes On or better still tied down.
2) Stay well clear of the prop arc unless you have a specific reason to be there: IE Inspecting it or starting it.
3) Never turn a prop unless you're actually starting the engine.
4) When inspecting the prop, check mags off, throttle shut, Mixture lean and fuel off.
5) If for any reason you do need to turn a prop, follow starting drill so if it does kick you can get clear.
5) Never stand in line with the plane of rotation just in case something lets go.
As for electronic ignition not sparking below 300 rpm I seem to remember an article in Popular flying where a Rotax engine started after having a water dispersant aerosol sprayed into it to inhibit it for storage. It didn't even have carburetters if memory serves, but it still ran for long enough to scare the daylights out of the poor bloke!