I agree that someone should live in the residence to keep up appearances over the long term. Whether they are a helper or have access/knowledge is a whole separate issue that's a bit of a slippery slope in my opinion. If you could have someone who lives there and maintains the grow that would be...
Thrips don't jump like springtails. They are likely springtails which love to love in the water and don't really do much harm. They supposedly eat the dead roots.