I bought an exsisting round.£2700 per month of work, cost £6000.I have let some bad payers , some awkward streets, and low pricings go.I have gained new customers at my better prices and a year on the round has now been sorted.99% good cusomers,90% good payers. My advice would be, build a round from scratch if you have the time/money there is plenty of work out there, Price your jobs well and let bad payers go straight away,and never be swayed on prices.Having said that I bought my round as I didnt have the time or money to start from scatch and it has paid off.