The natural temptation is to economize — unfortunately, the lowest price always has hidden costs. Cheaper instruments are difficult to play, sound nasty, and discourage you from practicing.
Putting a more expensive set of strings on a cheaper instrument won't fix the problem and they won't make the instrument sound all that much better. It's kind of like putting really expensive tires on a cheaper car. The instrument is bound to give you issues at some point.
Cheaper instruments usually break more easily and the repairs can end up costing more than you paid for the instrument. Don’t take our word for it; read this blog article written by an expert from Violinist.com: