WAHM dillema..

i have 7 months baby and a 3 yr old toddler. i will start my 8hrs homebased night shift work this feb. im staying with my mom and dad in the province while my hubs will work in manila. the problem is my mom and dad will go to australia this march and will stay there for 3 months. and im clueless on what to do when they leave specially on how to deal with my 2 kids during the day. any wahm here who has the same situation with mine? what did you do? how did you handle everything at home specially the kids? thanks in advance