Having Issue on Getting Metabox Checkbox Value

One thing you might want to do is add this code to the output:

<pre><?php print_r($meta); ?></pre>

Then have a look and make sure you are accessing the correct array keys.

Once your sure, I think you need to verify checkboxes against a value of on or off. So you may need to change this line:

if ($meta['is_offered'][0]==true){

… to this …

if ($meta['is_offered'][0] === on){

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