How do you become a neopets millionaire?

Question

I need np...

Answer 1

Restock a lot. Buy items in the main shop and resell them in your shop. Play games to give you enough np to restock.

Try to save part of what you gain in your bank account everyday.

Another way to find item to sell if to seach the shop wizard for a certain item, and if you see someone underpriced their by a lot, but it and sell it in your shop for the going price

Answer 2

Games, games, games.
Set up a list of games to play every day, scoring at least a certain ammount each time. Some sponsor games are basicly free NP. Look for guides to the easiest games.
Save EVERYTHING. Get free food and do all your dailies. Plots always have big rewards, so always do them.