Sometimes you just want a quick and dirty solution that works than going down the open source rabbit hole to be honest and lazy to be quite frank.

I wasn't aware of the LoRa mesh network thanks for sharing. I was looking at TxTenna as a quick and dirty solution but was wondering if anyone has used it and how well it works before spending any money.

And if you did, why aren't you using the open source version known as LoRa instead? https://hackaday.com/2020/02/26/lora-mesh-network-with-off-the-shelf-hardware/