If you have ever tried to pull long lengths of low voltage wiring (say, for purposes of home automation), or tried to protect wiring in difficult circumstances, then you may appreciate:
never heard the vacuum and bit of cloth trick i see.
Makes no mention of how to seal the ends (caulking?) and such.
Our plaster walls (wood lathe from what i can tell) (or maybe the internal chimney masonry) suck up 802.11b/g signal quite well, sadly. One of these days i'll get around to stringing network cables in the house... I'll worry about the garage later. Perhaps a modulated laser signal. ;)
Not necessary, if both ends are above grade and indoors...
I'd use irrigation pipe instead of garden hose, though; it's "rated" for being underground for long periods.
Isaac
Cheap garden hose can work well underground. I used a hose for many years that was only 1/8" underground, it was visible thru the grass roots, and sloped so it could drain completely in freezing weather. Used it for many years to water the garden.
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