reality check: $135 is VERY CHEAP.
reality check: $135 is VERY CHEAP. Split the retail price in half to find approximate wholesale: 68.50. Subtract a ~$30 Bluetooth module and you don't have a whole lot of $ left. Compared to the alternatives, it is very reasonably priced.
$135 is not very cheap for what you get.
ok... then I'm anxious to see the link for a BT enabled I/O module with 5 analog ins and 12 Digital I/O and Software IDE that sells for less than $139. $135 is very cheap for what it is.