They wrestle for quite some time before they're able to develop a decent website, and once having achieved this major milestone, think that their internet marketing worries are over.

Please remove spaces between words.
Theywrestleforquitesometimebeforethey'reabletodevelopadecentwebsite,andoncehavingachievedthismajormilestone,thinkthattheirinternetmarketingworriesareover.