The Heating Oil Club website is straightforward to use and instantly gives the cost of the oil for the quantity that you require (minimum 500 litres); you can instantly decide whether you wish to take up the quote or not. I have now used them twice ; in January this year when delivery was 13 days after I ordered and again this July when delivery was 5 days after order. All went smoothly and if I am happy with the quoted price I would use them again. In addition I did have one query which I emailed to them and I got a very quick reply (unlike some companies). I recommend them.