You could get an overuse injury by spamming push-ups every single day and so you could swap it out with doing 100 squats but try to do them all in one go or doing sets of 20 on single leg Romanian deadlift.

Taking 2 days off of push-ups will allow you to come back stronger and you'll actually go up on your push-ups faster than spamming them every day.

Believe me but I'm happy to see that you're staying fit and sharing your progress.