Soon after getting underway with internet marketing, you realize that there are some essential services you just have to have. Necessary parts of the business.

Thinks like, but not limited to:
* email marketing service (autoresponder)
* domain & hosting
* page building software

And then things one may not consider 'essential' but definitely come in handy:
* PLR source(s)
* relevant articles and even free WSOs to give you motivation...