hi luke, yeh the costs are crippling, insurance p.i is only £60 with zurich and if you can find a i.t savy mate you can get work through the net(all about getting the search engines to come to you)
stick with it mate , oh yeh on the ring its just the other incoming cable(line 1 to line2etcthe main test bein r1+r2,take both ends of ring cable and cross connect line of 1cable to cpc of other cable and visa versa)
druid