Though, in one of the earlier posts you commented that people should use relevanssi with vps or pro accounts as it doesnt work perfectly on shared accounts.
Now, you are saying that I should pay extra ??
Well, that's an idiotic suggestion because we all have a complex scripts to show our excerpts that google search or others can replicate as their style is different.
The aim is to make wordpress work, free! You are a plugin writer for wordpress, know what cause you are in!