Folks... just a quick and possibly dumb question but I have to ask anyways.

I am a Private Pilot SEL. I eventually want to get an SES add on. I am also looking at which homebuilt design I want to go in on - and amphibians are at the top of the list.

So the question is this. Can I fly an amphibian with an SEL rating so long as I always operate it on land? I ask in case I get the aircraft done an with don't complete the SES add on or otherwise decide not to want to operate the aircraft on water. Thx in advance.