If possible, obtain a backlink to your site in the advertisement description.
Do not submit classifieds automatically using the software. Concentrate on manual submissions, even if you only do it once daily.
Make sure your classified ads are updated after a particular time; otherwise, your ads will be expired.
Please use call-to-action words in your classified ads to ensure that the users are enticed to purchase your goods or services, like buy now, discounts for a specific time, or call us directly, for example given here free classified sites list in India