to begin with

first or most importantly To begin with, I don't have enough money to take a trip to Europe this summer.

Related vocabulary: for openers

Name	Pronounced	Usage
Helge	HEL-gə (German)	Swedish, Norwegian, Danish, German
Garbi	-	Basque
Zosimos	-	Ancient Greek
Angra Mainyu	-	Persian Mythology
Anuj	-	Indian, Hindi, Marathi
Polyhymnia	-	Greek Mythology (Latinized)