The word free, can seriously makes people to turn heads around in order to know if the free offer actually deserves attention or not.
Your past experience can be useful to present project in some area especially knowing how to avoid the common mistakes etc.
I will ask you some questions to know the area you can be of benefits to my project.
I just replied to your PM.
I hope you can use my answer as your question was a little broad, so to speak.
My services are only free to start off, as I want to make sure I am able to provide projects with the help that brings them value.
Once I feel like charging money for what I do, ill do it