What is it with you lefties and choice? Private education is not something confined to the rich, many parents work really hard to be able
to give their kids the option. Imagine if that 7% were suddenly in the mainstream and the government had to find the budget.
One wouldn't class arial fitting as a trade, neither would one clamber around on a roof for the profit from a £300 arial fit, which is likely to be substantially less than said £300.
Or the builder was a business man, something you may well be wise to emulate, as the cost price product you supplied has actually lost you money by the time you factor in your running costs
Ive found my Bessey versions to be excellent, and enable you to have a single clamp of up to 6m if you wanted, and are easily joined together. I wouldn't swap them for sash clamps