My Mrs is looking to replace her car and is interested in a private lease scheme.

I don't know much about them. Any do's and don'ts please?

Check allowable mileage

My only tip. Know a guy who didn't check that and got stung with massive extra mileage charges.

Don't bother. Loan it.

Ok, you may get a new one every 3 years, but you have to shell out proper dealer service when they say it's due.

Every thing is aimed at caining you at the end.

Never lease. there are better options out there, even HP is better than lease. Look at PCP as well.