I'll give you some redpills:
1. Don't touch trade because there's no point, EXCEPT: once you have a good amount of money, stockpile a few hundred iron, steel, lumber, cement, machine parts, explosives, steamer convoys, regular clothes, (~100) luxury clothes, (~100) wine, liquor, ammunition, canned food, artillery, and small arms. Just set it there and forget it for the rest of the game, adding fuel when it unlocks. This will let you instantly (or at least quickly) start construction on units, ships, forts, railroads, and naval bases because the trade AI will not slowly buy the needed goods, it will buy hundreds at a time.
2. Once you understand the basics of how factories work, the best thing to do is use a state capitalist party (if you can switch to it) to build a solid base of factories, then switch to an interventionist party and only subsidize military goods.
3. Clergy should be 2% if your country starts with 50% literacy or more, otherwise you want at least 3%.
4. Research philosophy, national focus and chemistry techs asap, you'll learn the others to prioritize as you play.
You can do whatever you want otherwise. Justify CBs and go for it. If you still just sit around and do nothing then it's your own fault. Play something else.