It is designed specially for windys. You can try it for a set no of goes for free then its £50. We used it from the start and added each cust as when. The round pattern then emerges and you sort each round/day so it is manageable. We would not run without it now-- it does your simple accounts as well, keeping track of expenses, mileage and income.
Get a cheap USB memory stick and BACK UP EVERY DAY.
Trevor