help with headliner trim install

[nitrosport_5]

I need any help i can get with the headliner trim. getting pretty bummed out because of this stupid plastic trim. i cut the holes in the roof exactly how the article on Brothers trucks website said to. i went through 2 sets of trim and decided to open the holes up another 1/16" or so and the trim still wont go in, and if it does start to pop in the tabs will break off. adding insult to injury, i had 2 pieces of trim in on my second attwmpt, but they were short and left about 1/2" gap between the 2 pieces where they meet above the dome light. after that BS i changed to a different brand of trim. so after breaking a few tabs on my 3rd set.....how the hell do you install this stuff without ruining it. the inside of my truck looks like garbage as soon as you look up.

and i need to vent a little....pretty frustrated. ive put 130 mi on this truck so far, but all the little things keep on stacking up to the point ive concidered cutting my losses and moving on. started this build with the intentions of building a brand new truck and keeping it for the rest of my life, but ill be lucky if the pristine cab and doors i started with dont end up completely rotten in a few years. paint on cab and doors is coming off in chunks, bubbled in spots, guy got overspray on all kinds of brand new or redone parts underneith. makes it not even enjoyable to work on.


and picture because.......