What will I do with a billion dollars

I can only sleep in 1 bed at a time.
I can only be in 1 room at a time.
I can only be in 1 place at a time.
I can only eat 1 meal at a time.
I can only sit at 1 table at a time.
I can only use 1 laptop at a time.
I can only use 1 phone at a time.
I can only live 1 lifetime of around 100 years.

I cannot sleep in 100 beds at a time.
I cannot be in 100 rooms at a time.
I cannot be in 100 places at a time.
I cannot eat 100 meals at a time.
I cannot sit at 100 tables at a time.
I cannot use a 100 laptops at a time.
I cannot use a 100 phones at a time.
I cannot live for 10000 years.

What will I do with a billion dollars,
If I can just be and do only 1 thing at a time, and live only for 100 years?!