Zara wrote:
1. Can leys cause negativity in a home ie. for the occupants to feel tired and down?
Lesson 1: there are two (maybe more) sharply disagreeing views on what the word "ley" should be used for. Until about 1965 it was purely used for "apparent alignment between ancient habitations, temples and fortifications" based on the term "ley alignment" in Alfred Watkins's 1925 book "The Old Straight Track". Then in its sense "invisible alignment" it got extended to mean pretty well any dowsable linear phenomenon, but since a dowser can manufacture one by thought-power, this laid it open to having pretty well no meaning at all other than "thoughtform in the shape of a line of some sort". The war is between "respect Watkins" and "anything goes" adherents. I tend towards No 1.
Rephrasing this question, there are often dowsable alignments in places associated with a dowsable negative effect on people there, but it is moot whether the alignment is causative in itself or a read-out of something else. In a tutorial in Spain I asked 9 novice class members to draw out all the "negative alignments" on the site they could find. They produced about 15 lines in all, mostly straight ones, but only shared one of them.
I have the view that such things are no more than a plot of stress on the client or dowser (depending on how the quest is pitched) created by an association of the site with a unconscious traumatic memory they have, and in service of this view (we are not talking about truth here) "read out" by other techniques than pure dowsing the characteristic of each alignment and its relevance to the particular student who had detected it. Typically they had inflated animal instinctual fears such as unsafe ground, rejection by the herd, fire, etc. The shared alignment related to the commonest problem which is fear of fire - which can mean radiation, phone towers, place of sacrifice by fire, etc.
So I'm saying "yes" if you change "cause" to "indicate". Sorry this was so long.
2. I have read on the site that it is possible to relocate leys - is it possible that they can also move themselves over a period of time or due to some other natural cause?
Read up Robert Leftwich. He was an iconoclastic dowser who used to annoy water-diviners at BSD Congresses by removing not just "leys" but water they were trying to detect. It's wide open, really, you can do anything like this - and undo it if you suspect that anyone else has done it. Of course, this gets us into the danger of detecting things that aren't physically there. Wing Commander Clive Beadon: "Once you have hold of a fantasy, it will grow arms and legs." Oo-er. And yes, earthworks along the line of an alignment can have an effect on it, I think because bits of it remain in the ground in a disturbed layout. This can also happen with haunted houses which are rebuilt with the old materials: the haunting remains but it's incoherent.
3. If your home is located beside electricity transformers, rivers or monumental sites - does this have an effect - positive or negative?
Only if you possess notable unconscious fears about fire or lightning. Before radio these were very common. My mother was at Sandbanks near Poole in 1905 when Marconi was experimenting on the clifftop with transmission to France. A lot of local women got acute headaches and were sure it was the wireless, but were told by the doctors they were hysterics. If you dowse it, though, they were right.
There is always a tendency once stressed towards self-healing, so we acclimatise to such things. In that regard, no doubt electrical stuff can be a good thing as well as a bad, and even both at once.