In 60+ years buying guns I have found out that actively looking for a particular gun turns out to be expensive.
Sitting tight and waiting for one to find you is the best option.
Up till a month ago I was looking for an Enfield Envoy. It had to be very good and I had a budget of £1,000.
I looked a quite a few and then lucked on one for £750 in MINT condition at Fultons at Bisley of all places and after some hard bargaining got it for £680.
I felt like I had won the lottery.