I'm also a fairly happy ex-redfin customer, and I can't help but support them if for no other reason than a number of brokerages around me are now creating flat rate schedules to compete.
For letting, my experience of comparing Hawaii with the UK is that one has to pay around 10% (plus misc charges) for decent quality full service let and management for 12 month contract in both markets.
On the other hand, Which Magazine [1] (a bit like Consumer Reports in the UK) has this to say on sales costs in the UK:
>Multi-agency agreement ... You'll pay a higher fee to go multi-agency - usually between 2% and 3.5%. Given that any estate agent worth their salt will list your property on portals like Rightmove, and being advertised several times in the same place can seem a little desperate, it's probably not worth paying the extra for this kind of contract.
>Sole agency agreement ... is the most common type of estate agent contract. This is the same as sole selling (see below) with the exception that, if you find a buyer yourself, you don’t have to pay the estate agent fees. The typical estate agent fee for sole agency is 1-2%.
That is, overall 1-3.5% for the seller. It's unusual for the buyer to have an agent in the UK.
In summary, letting costs are roughly the same in Hawaii and UK, but is way cheaper to sell in the UK than Hawaii.
[1] http://www.which.co.uk/money/mortgages-and-property/home-mov...
I suspect the data already exists to analyze this and we could find out for certain if it is true or not. Part of me feels like it may, but then another part of me wonders if sellers will demand market prices regardless of what their agent cut is, and it isn't like the buyer cares where the money goes - $xxx for a house is the same cost whether the agent gets 3% or 1%