Preview for next week shows Delores and William by the ruined church steeple that Ford was looking at earlier. I'm hoping that's an indicator that it's one timeline or at least very close timelines

My two cents on that line:
They wanted to Increase their investment in it not buy in completely new (that mention is specifically cited in recaps) Old Ford at the Agave plantation with Teresa mentions that there are already representatives of the investors at the park and she didn't even know it which given that…

It's a different actor called New Walter in the credits. Not the same Walter. So the night she shoots Rebus and flees into william and logan's camp is very likely the same timeline with Old Ford and Bernard.
Also Logan's company already invests in the park. He specifically mentions increasing the investment. Old ford…