>>936066201Apparently, they were in a crazy amount of debt. Their house was expensive as fuck and he was the sole breadwinner. She was mainly a housewife but also got suckered into a MLM scheme, and was flushing the family's money down the toilet. The constant family posting was her idea of branding. Divorce wasn't going to be an option. If it came to that, she'd take half of everything.
He figured that by killing his wife and making it look like she ran off, he'd be able to keep his lifestyle and the younger gf. If he was at all interested in his wife's life, he would've known that the wife shared every little detail about her movements to her friends. He would've realized the friend would have been very annoying. Then one of the kids saw him killing her so he went all-in and annihilated the whole family.