On Accelerators:

(Some) Investors still pulls scams on startups

Read more about the scams mentioned above that investors pull on founders.

Not available to startups - Bank Loan

Unless you are able - and willing - to pledge a sizeable collateral as security for the loan, full knowing that most startups fail.

Not listed - Venture Debt

Avoid! Don't take my word for it - You know it is something to be avoided like the plague when PaulG calls them "motherf*ers":

Conversely:

Bootstrapping outside of Silicon Valley

It's possible. See e.g. HootSuite (video below), Atlassian, Zapier, etc. If it is something for you depends heavily on your business model, burn rate, and operating costs, etc, though.