If you upload photos of yourself, or friends/family with consent, it's worth going for the 'rights managed' licence option – otherwise you'll have little to no control over how your images are used (eg, you could star in an ad for haemorrhoid cream). See Alamy's page on understanding stock image licensing for more on the different types of licences.
Get a credit line. It is not uncommon for most startup businesses to rely on a line of credit. The American Express Plum Card, for example, offers a 60-day term for payment rather than a typical 30-day term. Some banks or credit institutions offer credit designed to allow growth in the early stages of business. A word of caution: to keep from getting bogged down in debt when you are trying to expand a business, keep purchases to a minimum.
SmartBiz offers the easiest way for businesses to apply and get qualified for an SBA loan up to $350,000. Instead of the typical 90 days usually required to get funding, SmartBiz offers a total funding time that takes up to 30 days. You can qualify for the lowest rates we evaluated, from 7.5% to 11%, and repayment terms as long as 10 years after completing its simple online application.
As someone who's been immersed in a number of online industries for quite some time, I know a thing or two about what it takes to succeed in this arena. However, just like you, I started at ground zero with little knowledge, but a great deal of passion. What I learned along the way were some invaluable lessons from failure that hurt at the time, but helped immensely in the grand scheme of things.