Need tips on starting an online baby boutique?

I am a new stay at home mom and long wanted to start my own baby boutique( hair bows, personalized everything, tutu's, etc) I just wanted a few pointers from the professionals on how to go about starting online, should I do it alone or get someone to do it with me, how do I go about selling other people's products, and I also need a really cute name!! I would appreciate any advice!! thank you!