In a separate post you indicated that you had approx 1/8 inch clearance between the flange top and the underside of the toilet when it's down. This is fine.
Stick your wax ring on and set your toilet.
The toilet may still rock a little if your tile, or the toilet is not exactly flat. Use shims, but not wood ones. Personally, I've made little slips of copper from flattened copper tubing for shims. I bend a lip on one side so that the shim can not dissappear completely under the toilet.
Plastic door shims are best.
Stick your wax ring on and set your toilet.
The toilet may still rock a little if your tile, or the toilet is not exactly flat. Use shims, but not wood ones. Personally, I've made little slips of copper from flattened copper tubing for shims. I bend a lip on one side so that the shim can not dissappear completely under the toilet.
Plastic door shims are best.
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