Would you sell through Amazon or through Lulu

As I’m finally adding the ISBN and using Lulu’s global distribution to sell my books I’ve found myself at a crossroad.

If I sell directly and advertise through Lulu’s website I make more money through royalties, but I know if I sell through Amazon and get friends and family to review it opens a bigger market. The only issue is Amazon takes a big cut.

As most writers, I’m proud of my work. This isn’t my first book, and I want to invest more into marketing this one. I don’t want to sound egotistical and say it’ll be a best seller, but I want to remain confident and optimistic.

Should I give friends and family a link to the Amazon site while asking for a review, or through Lulu directly?

The book has been created through Lulu, fyi.

Any advice