is it worth getting a 3-way palate expander at 17?

[forestanon]

title
im turning 17 this october and im too broke rn to afford it, ill have to wageslave through the summer to get it
would it do anything at all? i need to push my maxilla forward

 

[2marc1]

3 way is shit

 

[billiardcell]

 

[Deleted member 75313]

3 way is shit

Do you mean for all ages or just for people that are like 15+