Ask for a postponement of the bill deadlines first. If it's not possible, ask again or delay it yourself somehow (or dispute it to save time).
If someone owes you even long term, cash in immediately.
If you have an income coming, ask for it in advance, even if it's less this way.
Borrow from parents/grandparents/gf/wife/her parents.
Sell something you don't really need that much.