The best way is to upload a file which is complete in all aspects and in MOBI file format. (techhelperz.com)
Kindle App in iPad is great, not only you read Kindle ebook bought at amazon website, but also you can read personal mobi ebook converted from other format in Calibre, for example you bought some ebooks at Sony library, B&N store, you can read those ebook in Kindle iPad App, this is tutorial how to upload mobi file into Kindle iPad app. (ebook-converter.com)
Post and run an ebook Giveaway on LibraryThing with hopes of getting more reviews for your book (we will need an epub, pdf of mobi file of your book for this promotion) (bookbuzz.net)