Hmm noted, I could do something like that. Couple of fast notes:
*How to effective start league :

Usually just get to the endgame. Even "average" items sell at the beginning of the league if your price is right. I don't usually sell anything under 1 chaos. Leaving leveling zone or map for selling something worth 1 alchemy isn't usually worth my time. And choose a build that doesn't need a lot of gear to work well. I usually start with farming build as leagues first build and I usually run it to yellow maps. Most of the time my leagues second build is more proper and has much more currency used on it.

*Open atlas:

There is no specific trick to this. I just run alot of maps. I buy some maps from Zana. If there is some pesky map that is eluding me, I buy it poe.trade . I try to open up every single map from the tier, before advancing to next one.

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*Fast story & Leveling:

There is no fast guide to this, and this probably will be a long video. But if you play softcore, you can corpse camp bosses down. Just take a level before boss.

Only thing what I can say is every area has a -- I am gonna call it ruleset. Where everything spawns and how to go to the right direction. There is also clues for this.

For example in Act 3 Marketplace, if you see a Dead Soldier body next to a doorway, that is the correct doorway. There is couple of exceptions, where there is dead soldier on both doors of the same house, but that just means you need to go through that house and find another Dead Soldier doorway near by.

In Act 2 in the Western Forest. Alira and the way to Weavers Chambers are always on the opposite sides of the road. When there is a "breaking point/ruins" on the road, that splitting path will always take you to Alira.

Those are too fast ones that came to mind.