How Do You Know You've Contracted A DODGY TRADESMAN?
Things aren’t quite level.
They’ve got the right idea but don’t quite pull it off the way you’d hoped.
They don’t know the exact standards that they have to legally build to.
They don’t think things 100% through whilst working a job.
The solution to the problem is obvious to them but not quite what you’d been hoping for.
In all seriousness, below is a list of things I would be looking out for.
Give a bad first impression (eg late, poor hygiene, disrespectful etc)
Don’t show interest in what you are wanting but just give their own ideas and opinions
Do not include everything you’ve asked for in their quotes
Do not have appropriate insurances and certifications for the job
Are way too cheap (usually means they’re uninsured, unqualified or they’ve omitted something big in the quote and you often don’t find out until halfway through the build)