There are some offers including the ticket but just making a hotel reservation is not included
There is a package deal that includes tickets but regular stays no, you have to buy tickets separately
No its separate
They have different specials. Best to call or look up website.
There is a deal on their website for 2 days at the park, 1 night in the hotel. https://vacations.legoland.com/california/booking/Special-Offers/Ultimate-Resort-Package.html
They run different specials depending on the season so if you stay at the hotel for some nights they will give you entry to the park for free, it all depends on the season and the deals they have going on.
Differed by packages and/or promotions.
It it could depend on any promotion deals on the website that is the best way to find out if there would be any inclusive park tickets along with booking a reservation.
Thanks! Your answer is awaiting moderation.