post not doing what HTML says it should

if you look at this post (https://www.goldcoastchamber.com/wordpress/?p=99) you’ll notice that towards the bottom it looks like

2) To Pay By Credit Card:

Please click here for members:
buy_now Please click here for non-members:
buy_now Payment Deadlines: No refunds for cancellations after October 31 2009 , no substitutions or carry overs. no credit cards accepted at the door, all reservations considered firm.

but the way i am trying to make it appear is as follows:
2) To Pay By Credit Card:

Please click here for members:
buy_now

Please click here for non-members:
buy_now

Payment Deadlines: No refunds for cancellations after October 31 2009 , no substitutions or carry overs. no credit cards accepted at the door, all reservations considered firm.

my html looks like this:

2) To Pay By Credit Card:

Please click here for members:
<img class="alignnone size-full wp-image-100" title="buy_now" src="https://www.goldcoastchamber.com/wordpress/wp-content/uploads/2009/10/buy_now.gif" alt="buy_now" /></span>

Please click here for non-members:
<img title="buy_now" src="https://www.goldcoastchamber.com/wordpress/wp-content/uploads/2009/10/buy_now.gif" alt="buy_now" />

<strong>Payment Deadlines</strong>: No refunds for cancellations after October 31 2009 , no substitutions or carry overs. no credit cards accepted at the door, all reservations considered firm.

and when i look on the VISUAL tab, everything appears as I want it. but when i look at the actual post on the site, the alignment and returns are all off. please advise how i fix??????? thanks!