These are expenses you'll incur just trying to get your business set up so that you're ready to start earning money online. Don't go crazy buying everything all at once; you can always add things as you go along, depending on your needs. Get enough so that you can work productively and reliably.

Mobile application. Nowadays it's really important for business owner to create user-friendly application. Also, it's important to promote it properly.

Computer. You probably already have one. If not, then get a good computer that will serve your current and projected short-term future needs well. Don't go for extravagant high-priced features unless you truly need them. Remember that computers become obsolete very quickly!

Computer accessories such as a printer. One thing that's often overlooked is backup storage — for example, an external hard drive or a USB Flash Drive can both be used to store important data "off-site", so if your computer crashes, you don't lose everything.

In case of a power outage or power spike, consider also getting a UPS, or Uninterruptible Power Supply. This is essentially a big battery that charges while it's plugged into an electrical socket. If power goes out, you have enough time to finish up what you're doing and safely shut down your computer.

People who live in rural areas that may have frequent power outages might consider using solar power as a backup instead. A small solar panel system could charge up a battery enough for you to continue your work, and the battery continues to charge while the sun is out too. Plus it's environmentally-friendly!

Office equipment. For example, a phone, fax, and voice mail system are common purchases.

Installation or setup fees. Examples include the installation of an additional phone line, or installation of fixtures such as extra lights, desks, computer equipment, etc.

Anti-virus software. A virus is a malicious program that may be annoying but relatively harmless, or it may be serious enough to cripple your computer and prevent you from doing any work! Viruses can end up on your machine through an email attachment or when you download something off the Internet. New viruses come out all the time, so you should always have an up-to-date virus scanner constantly running on your computer. There are many virus scanners available, and many computers come pre-installed with one.

A firewall. A firewall helps to protect your computer from unauthorized access (eg. hackers). This is especially important for people with DSL or cable modems. One such firewall is Zone Alarm. You can also purchase a piece of hardware called a router with a firewall (ask at your local computer store).

Spyware and adware remover. Get rid of software that places unsolicited advertising on your machine, or tracks and transmits your surfing habits and other information without your permission. Many spyware and adware removal programs are available, including some for free. Two such programs are Ad-Aware and Spy Sweeper.