Right, straight off I should say I love acoustic basses. I currently own two, although one - my Tanglewood 4 string is currently for sale on here, as my recently defretted Warwick Rock Bass Alien 5 string is my main acoustic squeeze and having recently moved into double bass ownership, I need the space.
Acoustic basses vary greatly. At the lower end of the market you are getting basically an acoustic guitar with a longer neck so don’t be surprised if it can’t keep up with a couple of aggressively strummed acoustic guitars. The more you pay, the better they become. There will always be those happy exceptions and I remember playing and being very impressed by a parlour sized short scale Ibanez a few years ago. Most come with an adequate pickup and/or preamp. Higher end models like the German-built Warwicks and the legendary Takamine B10 are a thing of musical beauty and something I aspire to.
Strings-wise, I cannot abide those phosphor bronze strings that acoustic bass manufacturers use. I have always swapped these out for flat wounds as soon as I could and I find that the La Bella low tension flats work great on acoustic bass.
Don’t be put off by the neigh-sayers, acoustic bass guitars have their place. Buy one and enjoy it.