If you have an outsourced IT provider and they bring in an off-site ‘expert’ to do some work don’t assume the ‘expert’ is actually knowlegable.
Result – an ‘expert’ who deleted the core website templates and emptied the recycle bin when they were employed to create an XML sitemap
Solution – check the CV of the ‘expert’ before they start.
Make sure your licences are up-to-date and you know when they run out.
Result – an IT department who ‘decided’ not to renew a licence for a website search engine – so a none-working search
Solution – quick purchase of Google site search for £10; medium term a log of licences
Be clear about the definition of words – ‘a managed service’‘
Result – a hosting provider who did nothing except ‘watch the boxes’ and fired off bizarre alerts
Solution – do not assumed that words you recognise mean what you think – find out