Many entrepreneurs believe that bootstrapping is the best way to start a company, giving you the freedom you wouldn’t have if you had to report every expense to a venture capitalist or angel investor (though that’s not to say those parties aren’t concerned with costs either).

However, some expenses are important — even when they’re costly. Here are eight in particular that are actually worth the investment.

1. Free Swag     2. Powerful Data Analytics Software     3. Legal Advice     4. Financial Advice     5. An Accountant     6. Market Research     7. Customer Service     8. Technical Support