Trablit coffee extract?
I've never heard of this before but $48 on Amazon, mon dieu!
Extracts are generally alcohol based, so it seems like Kalua or a homemade coffee liqueur could be used as a substitute.
However, according to this source (bakingbites.com/2009/01/trablit-coffee-extract/) it is just coffee and sugar, no alcohol is in it.
Therefore, I would check out "Dave's Coffee Syrup" which is sold at Whole Foods. It's around $8 a bottle and is very high quality. For a lower brow (HFCS) version pick up a bottle of Autocrat, a Rhode Island classic.