Is 100 Montaditos any good? Is it the Cheapest pint in Spain?

Wanting to try somewhere new for lunch, we find ourselves in 100 Montaditos at Zenia Boulevard in La Zenia.
We try some of their established menu offerings as well as some new items.
Question is:- Are they any good? Is 100 Montaditos worth the money for (basically) Sandwiches?
They are known for possibly being one of the cheapest FRANCHISE establishment for a pint of beer in Spain.

100 Montaditos website: https://spain.100montaditos.com
Zenia Boulevard location: https://maps.app.goo.gl/9faVwBeRZ9nS4ZkC7

Video:

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