With 3 minor children involved, child support has to be set up and that takes into account each persons income from previous years. It is always best to consult an attorney, even if it is uncontested as the potential for someone to change their mind is very high when they find out what the result will be. I found this link and there are several more you may want to check out to answer some additional quetions you may have. I just did a search on google for uncontested divorce in Lousiana
www.divorcesource.com
www.divorcesource.com