My BF and I have plans to foster and have biological children in the near-ish future. We were chatting about what we should do first and we both have different opinions on it. Most people I know have biological children and then decide to foster but there are a few who did foster care first. What is your opinion?

I did come across this blog post about it-

http://theologista.blogspot.com/2013/09/should-you-adopt-or-have-biological.html