Indeed they do not. Although if creating a PDF e-book, it may matter what page size one is uploading. But I doubt it.
As to Lulu editing anything, they only do that if you pay them for that service, otherwise it's 100% DIY before you upload.
I think the mistake that some people make with ebooks is that they don't realise that the wizard will create your Table of Contents if you have put in the correct headings and have the correct size book.
They should read Lulu's How-Tos then http://connect.lulu.com/en/discussion/109443/ebook-creator-guide#latest
EPubs do not have page sizes, though. PDFs can have.
If you make your own TOC it is duplicated in the wizard. Just follow the advice Luu gives for turning docs into epubs and make it the correct size.
It can be. But if the TOCs are also already hyperlinks (ePub) it can cause the Convertor problems.
Many people do get mixed up with Heading Styles and Headers and Footers. EPubs do not have the latter two. They are what can be placed in the top and bottom margins of printed books. Heading Styles are the preset text Styles that can be applied to the text on the pages. In Word, Styles are to be found in the 'Ribbon' at the top of the screen when the Home Tab is selected. Applying Heading Style 1 to chapter headings will command the Convertor to include them in the TOC it creates.
I know so many people who say it's too complicated to make books in Lulu. It does take a bit of patience to learn, but it's so worth it. THANK YOU LULU. I try to persuade my writing group to self publish in Lulu.
It can be a puzzle at first, but fast and easy once one gets the hang of it. But I always say, first learn how to use the software on one's PC, that's required to create the files Lulu's Project Wizards demand, before one steps in to Create. Also read everything on Lulu before you try to make a book here.
But don't be frightened of having a go within a Project Wizard. Set it at Private.
And hello to Liz's writing group