Raise what your plan shows you need to reach your next milestone, not the round number that sounds impressive. The amount should map to runway, hires, product, and the next proof an investor will care about. A raise with no plan behind it is just a wish with a currency symbol.
Your real market is the slice you can actually reach and win in the next couple of years, your SOM, not the giant TAM number in the appendix. Investors have seen the trillion-dollar market slide a thousand times. They buy the reachable part and the plan to take it.
The business plan is your map, the one-pager gets you in the door, the deck supports the conversation, and the pitch is the conversation itself. They are not interchangeable. Most founders confuse the deck with the plan, and it shows.
Yes. A deck is a summary of clear thinking, so if the thinking is not settled you get pretty slides hiding broken logic. You may not need forty pages, but you do need the plan underneath.
The story first, then the slides. Design makes a deck look nice, but it cannot rescue a narrative that does not lead an investor to a decision. Most deck problems are really story problems.