Remove the spaces from the following sentence: The best part about a forum is that it allows your visitors to build your content for you. However, it does require time and energy, and some technical knowledge to moderate and maintain forums.
Thebestpartaboutaforumisthatitallowsyourvisitorstobuildyourcontentforyou.However,itdoesrequiretimeandenergy,andsometechnicalknowledgetomoderateandmaintainforums.