This will vary from campaign to campaign. We highly recommend that campaign creators include a timeframe in their campaign's offer terms.
We will encourage targets to move this along as quickly as their availability allows. We want to be respectful of people's time and willingness to do the cajole.
No money is sent until a Cajole is completed. We imagine this payment will encourage targets to complete their Cajole in a timely manner. If not, we will be encouraging targets behind the scenes as well.