Finding and adding negative keywords to your SEM campaigns can vary depending on the platform and tool used. Common methods include using keyword research tools, such as Google Keyword Planner, to find related keywords and phrases to exclude. Search term reports can also be utilized to identify irrelevant or unprofitable queries. Additionally, competitor analysis tools like SEMrush can be used to find out what keywords competitors are bidding on and exclude any that do not align with your goals or offer. When adding negative keywords, you have the option of choosing between broad match or exact match. Broad match will exclude any search query that contains the negative keyword, regardless of order or additional words. Exact match will only exclude the exact search query that matches the negative keyword, without any variations or modifiers. For example, if you add "cheap" as a broad match negative keyword, your ads will not show up for any search that includes "cheap", such as "cheap watches" or "cheap watch brands". If you add "cheap watches" as an exact match negative keyword, your ads will not show up for only the exact search "cheap watches", but they will show up for other searches that include "cheap" or "watches", such as "cheap watch repair" or "best watches".