There is a 1/2 size solid wood Thomann option with spruce top and maple back for around £1,400.
https://www.thomann.de/gb/thomann_double_bass_europe_33_12.htm
The Stentor was setup when originally purchased, we are the third owners.
The strings look to be flat-wound steel or nickel, but I'm no expert.
My wife plays with fingers, folk/blues/pop, she has been playing for a couple of years, still lots to learn.
We are living in the French Pyrenees, no tutors here unfortunately, just bears.