Convert my book to a Kindle ready file

I need someone to help me convert my book to a Kindle ready file and iron out any bugs that cause it to show up wrong. I have already prepared the file and I believe most of the work is already done. The original book was created in InDesign and converted to PDF for publishing on Create Space. Of course this file did not work on Kindle. My book has no pictures but does have a few small graphics at chapter titles etc. I researched on line and followed all instructions. I re-worked the file in MS Word. In place of the InDesign formatting I used the MS styles only where needed, removed extra spaces and hard returns, cleaned up the file. It looks pretty good in KDP's viewer now, but sometimes the graphics don't show up. I think I'm still saving it wrong. Anyways, it's important that the file looks right, so I would like someone to double check it for me and make sure the file will work. I hope to get the done quickly and cheaply. Thank you.