Sealing before getting rid of the wasps is a bad idea. Friends neighbour had an issue with wasps, friends dad thought he was being a good neighbour and sealed up the hole. Well shortly after the people in the house needed to move out temporarily because the wasps made a whole into the house and needed pest control to do their thing inside the house.
This guy Ramit has a show on Netflix, but I recently listened to this video on YouTube and he's against homeownership. Cliff notes: The gains people see in the purchase price vs the price they sold for is great and appealing, but what people don't factor is all the money they need to sink in to maintain the thing. He encourages renting because if there's a problem with the place, it's the landlords problem. Use the extra money you have from renting to invest in other things instead ie bonds, index funds, etc.
https://youtu.be/ORqd9QAC8OY?si=JJ2n_V4k17SG53gn