As you can see from all the answers, the cost varies depending on which country you live in, your specific requirement etc.
Being a Cosmetic Surgeon, I can help you break this cost down so you have a better idea about what you should be paying for, so that you or anyone else reading this...
Hello and thank you for your question. In my experience the welling in that area can take up to 6-9 months beacause there is a lot of motion in that area so be patient
Based on your photographs, you have significant abdominal wall laxity. It is very difficult to assess if you have enough skin for a full abdominoplasty (tummy tuck) without examining you. You need to see a board certified plastic surgeon to be assessed.