I'm starting to feel like I have made a Rube Goldberg device

Not sure I understand. Do you mean something like this?

#define RelayTypeOneOn HIGH
#define RelayTypeTwoOn LOW
#define RelayTypeOneOff LOW
#define RelayTypeTwoOff HIGH

const int relayPin = 3

void setup()
{
     digitalWrite(relayPin, RelayTypeOneOn);

}