Well, I'd say "just do it"!
I'm a little older than you but I've been here for a fair few years and frankly wouldn't live anywhere else. I imagine if you lived here full-time, your family would soon find excuses to visit you - possibly even TOO often
- and you've picked a nice part of the country as well. Bear in mind that this is YOUR life and the older you get, the faster it goes! Skype is a great way to keep in contact anyway and adding on a subscription to enable you to call UK landlines is only about a fiver a month - handy for family, banks, companies, government departments etc. I've lived in several countries, including France, over the years and Bulgaria still tops my list.
You'll get the hang of the language quickly enough, once you spend more time here and younger folk, especially school children, tend to have at least some command of English (often more than some of the Brits you'll encounter here, frankly
). You'll also find that you can communicate with most people with pretty rudimentary Bulgarian and the temptation will be to stop trying once you reach that stage - I found that watching BG TV, especially films in English with sub-titles is a great way to improve your language skill and you'll soon be complaining that the sub-titles are wrong or incomplete!
Re the car - nursing an old car alon isn't especially expensive here, so is definitely an option. In my view, the jury's still out on Great Wall and the price you cite is for a pretty basic model. I recently bought a new car and after extensive research went for the Dacia New Duster - a fully-loaded top of the range model will set you back around BGN30,000 and that includes the, in my view essential, LPG conversion - gas is currently at 91 stotinki a litre as against petrol/diesel at c2.60 leva. I'm VERY happy with the car - and I don't work for Renault/Dacia!
Manners, respect, honesty, civilness, corruption, vulgarness, selfishness, just to name a few.
clearly the writer hasn't ventured onto the streets of the UK in the last decade or two and I've never encountered any lack of those qualities here in Bulgaria.....