AITA for not postponing our fencing?
My husband and I moved into a new house about 6 months ago, it was new construction so of course we have to do all of our own fencing and backyard landscaping. Upon meeting the neighbors everyone agreed that we would split the cost of the fence and deal with it in the spring. Well spring time is here and two months ago my husband and I did extensive research finding a reputable fencing company that was not outrageously expensive. We found a great company to work with and last month we took it to all the neighbors, we gave them the information and said let us know when you guys are all ready and we will proceed forward. Everyone gave us the green light to continue so we scheduled it out for the 3rd week of May. Well we are here, they have started our landscaping and are planing to put in the fence posts at the end of the week. WELL, the neighbors next door to us contacted us tonight and told us that they want us to wait on the fence because they would like to do a retaining wall. We have an HOA which has to approve any sort of landscaping before it happens and the neighbor has only met with a company that said they could start the project on the 1st of June. We thought they had a solid plan but two hours after telling us we got a text stating that it would actually be boulders they are using. Needless to say it sounds like no solid plan and we are at square one. I am beyond frustrated because we have dogs and I was really looking forward to having a fenced yard for them, I also feel like the neighbor expecting us to stop all plans because they changed their mind is rude to us and this company, who has worked with us on this plan for the last two months. Am I the asshole if I continue with the fence and just put it on my side of the property?
For context: everyone has already paid for their portion of the fencing or at least half of it which was the deposit.