If you use a chain make sure it's a good one and connected to something permanent.. When professional thieves target bikes, a common method is pull up next to bike in van - drag out a mattress and lay it next to bike - push bike onto it - and 4 people, one on each corner lift mattress and slide...
LOL LOL I was nearly tempted to make the joke "cheap ! you ought to see what she charges me" but I don't know you well enough and wouldn't risk causing offence. ;)
As the new owner I must admit I hadn't thought of that - but rest assured now, that when it arrives I will give it a go, nothing ventured nothing gained. And if it does, it's very good value indeed, a lot cheaper than a wife.
I tried various bike specific lubes, I found that the dry lubes tend to attract dirt and makes the chain a pain to clean. A friend of mine always swore by the old fashioned (and cheap) method using paraffin to clean and gearbox oil to lube - done frequently, and his chain and sprockets are...
I fell for that one once too - turned out out he wasn't a Doctor at all, but a bricklayer named Brian and that was no camera. Bloody nice bloke though !