If Israelis do anything well, it’s figuring out cheaper ways to do what other countries do with big bucks. We often joke that a damaged tank in wealthy nations will be treated to a fully-equipped garage and a million dollar budget, while an Israeli tank will have to make do with some paperclips and superglue.
Before the Beresheet project, all lunar spacecraft had taken a straight shot from earth to the moon. This required the spacecraft to be built a certain way, including huge caverns to hold fuel. The Beresheet took a more round-about approach – actually an elliptical orbit.