No. Fully, when used as an adverb, is not followed by a hyphen. :)
Email is correct. Some people still use e-mail, with a hyphen, but email without a hyphen is used much more often.
Hyphen
A dash is used to connect two phrases; a hyphen is used to connect two words. Here are some examples. I use a hyphen for the compound word anti-matter. I use a dash to create a break in the flow of my sentence -- if you know what I mean.
A hyphen is a punctuation mark used to join words and to separate syllables of a single word. Spaces should not be placed between a hyphen and either of the words it connects except when using a suspended or "hanging" hyphen.
It used to be that a hyphen was used in prefix words. Now it is without hyphen. He wanted to reestablish control.
The word "hyphen" is a noun. It refers to a punctuation mark (-) used to join words or parts of words together.
A hyphen is used to show that two words are connected more closely than they would be just by being in the same sentence. Some people hyphenate their last names; rather than having the husband and wife both use the husband's last name (a practice which implies that the husband is in some way fundamentally more important than the wife) some married couples use both names. For example, from the Buffy TV series, there is a character named Wesley Wyndham-Pryce.
It usually is, but is occasionally seen without a hyphen and spelt as one word
The hyphen is a dash used to separate the syllables in hyphenated words such as built-in. On a keyboard, the minus sign is used to make a hyphen.
No, I think it's just "Start up". It may be used with a hyphen but not usually.
That is entirely up to you. Some women retain their maiden names without a hyphen, like Hillary Rodham Clinton.