I owned a 308 and did all the servicing myself.
I stripped down all four webers and rebuilt them. I also fitted new cam belts and tensioner bearings.
You can't run one on a budget, but it needn't cost a fortune.

Regarding current Stratos replica values:
They are now way out of my league, and for a long time, that didn't use to be the case.
If I hadn't been able to create possible ownership by stealth, I'd have gone from here some time ago.