i.e. means that is
e.g. means for example

Here are both used in the same sentence to clarify:

I want you to have everything I own, i.e., my Rolls-Royce. (this means that the person gets only this thing)

I want you to have everything I own, e.g., my Rolls-Royce, gym membership, XP, etc. (this means that these are some of the examples of things they will get)


In both cases there should be periods after each letter and a comma after the second period. ex: e.g.,