QUESTION: Fix punctuation: Wallace retired from his chair at Edinburgh in 1838 due to ill health
ANS: Wallace retired from his chair at Edinburgh in 1838 due to ill health.
QUES: You buy 3 bottles of the testosterone supplement and get 2 bottles free plus a very informative EBook

correct the punctuation.

CORRECTED: You buy 3 bottles of the testosterone supplement and get 2 bottles free plus a very informative EBook.
Question: They started using photographic methods they couldnt control and turned the inevitable mistakes into assets
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Answer: They started using photographic methods they couldn't control, and turned the inevitable mistakes into assets.
Private accommodation apartments near Jadranovo

Can you repeat this sentence, but add in punctuation?
Private accommodation, apartments (near Jadranovo)
input: Holiday House for rent Arzachena Italy From vacation rental agency
fixed: Holiday House for rent Arzachena Italy - From vacation rental agency
In addition to offer you a calendar insert on your pages it will be possible to display in your widget bar

Can you repeat this sentence, but add in punctuation?
In addition to offer you a calendar insert on your pages, it will be possible to display in your widget bar.