Thanks for the quick replies. That it is a complicated subject was clear to me, given the lack of clear information I could find on the internet
And I'm definitely no materials expert either... although I know that anything breaks after bending it often enough.
Although wearing parachutes is somewhat of a backup plan in case of any emergency, I do prefer to be able to trust the wings to stay attached.
How would you suggest to approach searching for an aircraft with the intention of buying it and flying aerobatics in it? As always, budget is a limiting factor, but I'd rather wait a few more years to buy something reliable than to throw it away or worse: have an accident.