[Rural life] Escape from a dilapidated warehouse! What is the secret to improvement?

I will install the floor
but the floor is distorted
How do you cut plywood to fit?
What is the secret?
A nuisance appears! WW
I'm divorced
I quit my job, bought an old house, and started living in the countryside.
started.
This is a channel where you can enjoy rural life.
I'm a DIY amateur, and I'm watching you struggle.
Please relax and laugh as you watch it lol
＃Old house
#DIY
#Country life