I realize this is an old thread but you seem to know the most about this..
I have been waxing for years and years..
I use to tie myself in knots, degreasing and using an ultra sound bath but now I have simplified.

When I get new chains (I usually have 3 in rotation) I simply heat the old used puck of wax up and let the chains sit and swirl them for 10 minutes or so each.
Then I remove drain and wipe. This seems to remove, melt off all the factory wax.

Discard the old wax, that I have used over the last year, heat up a new puck of MSW for the new chains.
And wax and drain as usual. And redo with that new wax about every 300 miles per chain.

My Chains last a long time. I always have one ready to go. I don't get grease all over my calves.
Also and this is just me but I have not noticed anyone in our group going any faster than me.

People make chain waxing way more difficult than it needs to be.

And no I am not screwing up my drivetrain by not spending money on Silca magic potion. I am running 10 year old Camp SR 11 and it works smooth as silk..

What am I doing wrong.