undercutting is a nonsense 
we all have diferent outgoings so all need different amounts to break even , 
found a couple of lads local charging £10 a house started in june and by october had quite a round according to them . asked what system they use wfp ,trad ,
a ladder ,a spounge and a rag was their response . 
how much was their insurance i asked them ., the response to this was oh yes must get some of that , they are now so called professional gardeners . makes you spit , cant clean windows its winter and cold they told me