There is no guarantee that you would get better neighbours somewhere else. If nothing else, people move in and people move out. So, the perfect neighbours you've had for a year somewhere else might just be replaced my another couple from hell. There are no guarantees. Like right now, we are dealing with a woman who have NO respect whatsoever for our wishes. All she cares about is herself and her wishes. For instance, she hates lilacs...and the boundary between our gardens is a 50-year old lilac hedge (standing on OUR property). It was leaning against their garage a bit, built right at the border before we got the 4-metre rule in place here in Sweden. So, she asked if she could remove the bits touching their garage roof...
We said of course you might take some branches off that are disturbing you! She took that as the go-ahead for chopping down several of the trees, on our property, severely damaging the shape and look of the old hedge that has great value to us, because it is part of the original garden design. When we gently said, next time we met her "whoops, you took more of the lilac than we thought you would!" smiling sweetly, since we are anxious not to start a fight, she just shrugged and told us "so what, it is just lilac!" It isn't just lilac. It is 50-year old lilac trees, which is very different from most modern lilac hedges that are just bushes. And now, she wants to remove the old concrete pillar on our side of the drive (we regrettably share a drive). With no appreciation for the fact that it has a historic value, since it is built from concrete blocks once manufactured in our village and thus part of the village history. No, gone with everything that does not suit her and her idea of what is beautiful with no regard whatsoever for our sentiments. Really...grrr.
When we moved in ten years ago, the situation was very different. We had wonderful neighbours, whom helped us learn the ropes of using a furnace, and how to light a fireplace. In turn, we helped them set up their internet connection and things like that. Really good.
So, don't let a bad neighbour deter you. Just make sure to really properly mark out the property line so there can't be any fights about that. Oh, and please, even if it is tempting to, don't start retaliating in a thousand and one little ways. For instance, by planting quick growing, high trees to further block her light and view. That is just asking for trouble. Just be reasonable, be firm, and don't stoop to her level whatever you do, since that might give her legal reason to sue you.