I recently got an estimate for ripping out a 38x30x38 shower enclosure, replacing walls and retiling with 4x4 ceramic tiles. I was quoted $2412.00. I did some homework and found that 6x6 tiles were more efficient with grouting, etc. so I asked contractor how much to use 6x6 tiles. I was quoted an extra $200.00. From where I stand, using 6x6 tiles is less grouting and cutting, and should not cost any more money. Can anyone give me some feedback on both the price and the extra cost justification?