Yep, gotta plan for when we're out the other side - personally done a broken basin waste, dripping gland nut on mains stop cock and low pressure on boiler via phone for free/google review.
Yep, what with homes/boilers/shower etc are being used more than ever i'm back up to 5 days a week doing boiler breakdowns, leaks and emergency's, but have parked off fitting new boilers for past 6 weeks.
All boiler manufacturers have group service covering any warranty breakdowns too.