Honest leverage: borrow against income that already exists, on terms it can cover in a bad year, with a cushion, and a loss you have already decided you can survive.
Speculation with debt: borrow against income you are hoping the borrowed money will create.
One question tests anything: will the payments be covered by cash the asset already produces, or by cash I am betting the loan will generate? If it is the second, the answer is no.
Before borrowing to grow anything, all four must open.
This rewards time far more than effort. A rush of new accounts can look worse to a lender later.
It is a reputation instrument, not a money faucet. A new, small company does not get large unsecured bank credit just because the file is tidy. Lenders weigh cash flow and time in business first.
Over time a good file earns better vendor terms, smoother dealings, and a fair seat at the table once revenue is real and documented.
On vendors: open accounts with suppliers you actually use, and treat the reporting as a bonus. Then weak or dead reporting still leaves you something real, not a fee.