Unpopular opinion: I used to hate seaming tape but now I swear by it
For years I was convinced that seaming tape was just a waste of money and time. I figured if you did a good enough job with the glue and roller, it held fine. Last spring I took on a big job in Austin for a new office building with really thin commercial carpet. The owner wanted absolutely no visible seams or lifting. I tried my usual method on the first room and it looked okay but not great. After three tries I finally gave in and bought a roll of quality seaming tape. The difference was night and day. The seams laid flat and have held perfect for over six months now. Has anyone else changed their mind about a tool or product they swore they would never use?