Look into the varied threads with regards to money. Many could be viewed as snobby, or perhaps nicely as just chit chat.
- How people afford beauty treatments, hair, nails, tats
- iPhones
- Holiday locations, cruises, holiday/vacation homes generally
- Cleaner, gardener, window washer, decorator - aka employed
- Dishwashers, dryers, hobs or soupmakers
- New autos or old bangers. Petrol or electric
- Academic degrees, firsts, fee based schooling
- Private insurance, pension
- Working mum or sahm (my favourite silly argument 
- Homes to let (people need rentals or they'd purchase)
- Charitable or 'Victorian' 
- Personal Preferences all.