With a 1500 budget, get a bike and direct drive trainer. Please do not mess with spin bikes that claim Zwift compatibility. At best they are a compromise (no auto-controlled resistance) and at worst they are way less than mediocre.
If you want to zwift, do it right and save the frustration. Buy used if possible so that if you decide not for you, resell and move on.
Read here…lots of good info and links: Beginner Equipment Questions - #5 by Steve_Hammatt