responded to the sharing of information and offered me slots from about ten days in.
Their website is clear and concise and easy to navigate.
Sainsburys, I had to eventually ring and ask why I wasn't on their list, but no bother because, it only goes (from what I can see) one week ahead with no logic as to when is the optimum time to have a look.
I have gone from spending a lot of money, including food and petrol in excess of £10k a year.......to a total Tesco online convert.