[mothered]

I believe I read somewhere that a 75" TV would be too big for DNA.

Probably on my blog- I have stated something to that effect.

If delivering to your own residential address, you're correct. Due to both the size and value, the driver will not simply leave It at the doorstep. Use a drop house/address, and anonymize your credentials and payment system. No doubt a signature will be required, so It's obvious what to do.