I’ve had to ‘repair’ a couple of Singer machines for my Sewing Group ladies. They’re not very robust and I much prefer Brother or Janome machines in this price range.
I have three Brother machines in regular use. A basic computerised model that is portable and I take to my sewing group, an Innov-is 1300 that I love and use the most and a basic Brother Overlocker. So I’m biased but I’d say you’ll probably love the extra features on the A-150.