I used to think £1500 was expensive
In my Police tribute I would take my Bravewood £1500 and maybe the Steinberger £2000. That's £3500 worth of basses in a pub. This was a few years ago
I now use a Harley Benton!
This year I bought a Harry White 4003 at £1500, which considering a genuine Ric is much more money I don't see it as expensive
But I've just paid £2600 for a Dingwall JT4. Now I do consider this purchase expensive, yes it's tax deductable but it won't ever be my main bass, so in terms of income over expenditure it's expensive (but as a life long JT fan, worth every penny)
I have guitars that were £2000 new in 2010 and they are worth north of £4000 now but I gigged them for 3-4 years when i bought them and didn't really think about their value.
My main U2 tribute basses are 2nd hand, coming in at about £500 each with the relic P bass build coming in at about £250, that's a total of £1250. These basses earn good money.
Like all things, expensive is subjective. My £450 1973 P bass that I've gigged since 1990 was cheap at the time (no one wanted a P bass in 1990), I was doing 100 gigs a year then at £30 a gig, £3000 for the year, not bad in 1990 for a pub band