Replacing fence - one neighbor won’t respond

[Paul C.]

Hey, I am in Atlanta Georgia and looking to replace my fence that is on the border of our property line with 3 other neighbors. I have gotten 2 of them to agree to let me replace the fence(only 1 agreed to split the cost), but am not getting a response from the third and final neighbor. He responded to my first text by saying that he didn’t have money at the time. I have responded a couple of times saying that I do not mind covering the cost completely but that I would like his approval prior to construction. It has been about a month and I have sent 3 text and left one voicemail with no response anymore. I don’t really think they care about the fence since they never use it or care for the fence but would prefer to not end up in some sort of neighborly drama and I am okay with taking the full expense. Any advice for this situation? Should I just go ahead with construction and just text him the dates it will be done?