The rim will determine what is possible.
Lower cost rims are made by coiling an extrusion and cutting through the coil with a saw. If they don't account for the saw kerf, the rim will always have a bit of a flat spot at the seam. No amount of fiddling with spoke tensions will replace the metal cut away by the saw.
__________________
My greatest fear is all of my kids standing around my coffin and talking about "how sensible" dad was.