e commerce/ amazon fba private label.

i have no idea what im doing well i have some knowledge just not sure the correct steps and how to even find a goot sub niche. to make a brand. anyways im searching for someone to do the work for me and run a private label for 30% commission or someone to walk me thru starting. io have alot of money to start and just wanna do the proper things with it. i know pweople exist that will run a private label for a 70-30 split all i have to do is physically pay for the products and ensure our store stays stocked
perfered residence to be located in the united stated because that is where i am currently living