Anyone else finding it frustrating to find a bike in stock... most bike shops are saying next year.. Trek even told the end of next year on some models...
been Waiting so long already 😒
I am back part time for that very reason, supply is so poor I am very limited to what we can offer

. In normal times I'd help a customer choose a model range then advise what colour and model options we can supply. I'm lucky now if I can advise any model in any colour, more often than not it's not available and even if it is choice is very limited, "we can get this one; that's it and it looks like when that is sold the replacement stock is spring 2021".
It is understandable, there has been a huge increase in demand and manufacture has not been able keep up. Of the popular brands popular in the store I work in
Trek are not as bad as most,
Frog,
Brompton and
Cannondale are much worse; odd and I confess worrying times.
I can find some bikes online it’s just getting the right size and trying it out is the problem with them. I'm looking for a entry level road bike as I’m a beginner. I’m 5ft 8/5ft 9 inbetween sizes I’ve been told a 54 size bike and a 56 size bike from 2 different shops just to confuse things
Assume as you have referenced Trek it was the
Domane AL range? At 5ft 8/5ft 9 I'd be initially suggesting a 54cm, I have just checked for you, 2021 models are all due in 2021!