It's actually become quite rare for them to gate core objectives in this manner (I haven't seen it in a new game in at least a year, and I've spent a lot of time researching their games).
The general rule: if you have the patience to wait for your energy to recharge, you can play for free (and without neighbors) for quite a while (weeks or months). You might miss out on some fancy extras, but even still, it's not bad in terms of length and depth, when compared to the 'free trial' phase of so-called "hardcore" games.
The general rule: if you have the patience to wait for your energy to recharge, you can play for free (and without neighbors) for quite a while (weeks or months). You might miss out on some fancy extras, but even still, it's not bad in terms of length and depth, when compared to the 'free trial' phase of so-called "hardcore" games.