If you're not Filipino, don't speak Tagalog fluently, or are not with someone who is any of the former, then I would not recommend taking this as a mode of transportation. It's confusing for foreigners, and while I am part Filipina, I wasn't raised in the Philippines so I would have been completely lost if I did not have my uncle by my side.
You also never know if you're going to get a good bus or not. On the way to my destination, our bus had air conditioning and a TV, and we made two stops for restroom and food breaks. However on the way back, there was no TV and the driver literally made a stop every time he saw someone wanting to get onto a bus. The trip back ended up being 3 hours longer.
Although JAC Liner is cheaper than taking a private car, I have traveled both ways and I would never take JAC Liner unless it was the absolute last option I had. read more