There are many pros and cons for paid (SEM) vs. organic (SEO) strategies. One pro for organic search strategies is that organic search doesn’t have any associated cost. The lack of upfront cost allows for an impressive return on investment (ROI) opportunity. Another pro of organic search is that if your business shows up at the top of search results it can boost brand awareness and increase credibility (WebFX, 2023).
Some benefits of paid search are the immediate results, the keyword associated data that SEO provides, and the ability to set your own investment spend (WebFX, 2023).
A few of the cons for organic search are that it requires continual optimization, there is a time delay before results are appreciated, and there are a particular set of skills necessary to be successful (WebFX, 2023).
A few of the cons for paid search are the investment required, the sustained maintenance that’s necessary, and that paid search becomes dependent on spending money in order to support the revenue that paid ads generate (WebFX, 2023).
Paid and organic strategies are an important part of any digital marketing strategy. They offer distinctive benefits that can be applied to achieve your marketing goals depending on what you want to accomplish (WebFX, 2023).

References
Organic search vs. paid search. WebFX. (2023, June 9). https://www.webfx.com/seo/learn/organic-search-vs-paid-search/#:~:text=Organic%20search%20takes%20time%20to%20deliver%20results&text=While%20paid%20search%20can%20start,your%20goal%20is%20page%20one.