Spoilers
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For now atleast (v0.99) there are no choices that affect evolution, it just happens when it happens, and yes 3 is the current max.As for getting that much money the only way right now is when you get to a scene with Tiffany where she asks you to do something (i dont rememeber the exact wording) and you have two choices, one is to just accept and the other is to tell her something like “Feels like i’m doing all the heavy lifting” and if you pick that one she asks you what you want and you can pick from like 5 or 6 choices, one of which is money and later in the game (sooner or much later depending on what you chose to ask her for) she just straight up tells you “check your bank account” and she gave you 10 millions just like that if you asked her for money
Unrelated to your question: edited this like 10 times trying to figure out why it keeps adding that P thing at the end of my comment, i give up
Unrelated edit 2: i read the reply to my comment about the p thing and tried again to fix it, and i give up again. Dont know why its broken in the first place since every time i want to use one of these dropdown spoiler thingies i just copy-paste my first comment where it worked(which i copied straight out of a tutorial) and edit the insert text here part of it, and all my previous ones were fine except this one