How much to stake and how big a bank do you need?
Those are the questions you should be asking yourself before getting started betting a new source of selections.
Whether that be a new tipster, a new strategy or a new system you've researched staking and bank size can make or break your outcome.
There is a tried and tested formula for calculating the longest expected losing run and the longest expected winning run, both will rise over a larger sample.
As well as being useful to calculate your expected losing runs and bank size, the result are also useful to see if your system or method is ahead of or behind the expected.
Enter your numbers into our calculator to get your expected longest runs.