I'm now tiling a really uneven wall and I'm using up mountains of adhesive to make sure that its well supported and has an even spread to it, If I Just smear the adhesive on wall and go over with the comb side After I pull the tile off to see how much of the adhesive has stuck to the tile- I'm seeing maybe 20-30% coverage max. Is this normal? Do I just keep loading up extra adhesive in places where its needed? For the first time the lazy man's dot and dab on the tile directly ''technique'' seems the most logical one,however I'm still not sold on it. Any special tricks/techniques for this kind of stuff?