I just today started making my first ported box and everything was going well, but I had to leave for work and my friend said that he will work on it while I was at work. I got home to find the box almost completely finished, I was impressed at first.....at first. The port diameter is 1.5" whenever I inspected my box it was 1.5" for the first port and then the second port was .5" At first the port was placed in the wrong spot so he moved it, but now there' holes in the bottom of it. I SPECIFICALLY told him to make sure that the chipped end goes on the outside.....of course that's not how it worked out and he put the chipped end on the inside of the box which is part of the port so that should sound really nice also.
There goes hours of work and money down the drain.