We are selling the house and the furniture too/as well.
He saw something, and she saw it too/as well.
I bought one too/as well.
He is loyal, and brave too/as well.
There are some instances where only too is used, such as a short response:
“I'm hungry.”“Me too."
In the above example, you could respond "I'm hungry as well" to the first speaker, and this would convey less urgency. Me too is a very common expression in spoken English.
You cannot say "as well" without a verb, so "Me/we as well" is incorrect.
"We're going to the party tonight." "Us too." = "We are as well."
Finally, as well as means also but cannot be used in the same place in a sentence as too:
She is good at softball as well asbasketball.
She is good at softball and basketball too/also/as well.