Why So Cheap?

Which are you talking about? Their 1/16th or 1/35th scale.

Either way, they are Takom’s own moulds and are, by all accounts, excellent kits. Dan Reed has started a build thread on on his 1/35th Ausf A here:

The 2 in 1 1/35th Ausf A and Ausf B looks like an excellent buy.