We are going to WDW and have decided to add in IOA to do WWOHP. So we are driving in on Sat June 4 probably not arriving until around 9PM. I dont want to pay onsite costs to stay at HRH that night but my husband does. We do want to get to IOA for the early admission for onsite guests but I thought we could check in around 7AM to be able to use one hour early admission. Is that correct? We then would head to WWOHP but are not doing any of the HP rides. DS10 does not do roller coasters. So with that in mind what order of things should we do. We are going primarily for HP but will check out the rest of the park after that. Then I am wondering if we should get a 2 day pass so that we can go there again the next morning with the early entry since we are staying onsite. Not sure if it would be necessary to go back or not or to check out US. We are a family of four with a 10 yr old and a 2 yr old. Thanks for your help.