Thanks Victor,
I finally managed to get it to work. needed to troubleshoot a little. By hiding the HTML using the plugin (so i avoided duplicating the text) that caused my code in the template file “echo tribe_events_after_html();” not to display anything. What I had to do was go into the function itself and copy the code into my template file. leaving out “echo apply_filters( ‘tribe_events_after_html’, $after );”. Now my conditions of sale are displaying under the meta.
I also added a if (! tribe_is_past_event( $post_id ) ) so that the text only displays on upcoming events.