EXCEL. Help with hotel information for guests, owners, cleaners and advertising

The below excel formular has issues, such as, *Formula has too many characters and Excel will not accept it. *If a cell from the formula = 0, THEN I was to ommit that part from the formula FORMULAR EXAMPLE, If you ever need to get in touch in person, contact "&AK3&" anytime on phone "&AL3&" or email "&AM3&" Thank you for your reservation. Please outline your arrival and departure times. SELF CHECK-IN INSTRUCTIONS CHECKIN/CHECKOUT: * Check-in 2pm * Checkout 10am ADDRESS: * "&C3&" MAP OF COMPLEX * ARRIVAL "&F3&" DEPARTURE GUIDELINES * Guests must clean up after themselves. It is not the responsibility of the cleaners. * On departure, leave keys "&AX3&" * Checkout time is 10am. * Return furniture to original positions. * Leave kitchen the same as it was found on arrival. Any used items such as toaster, oven, microwave, stove top and fridge must be fully cleaned by guests. * Wash and put away all dishes used. * Remove and dispose all food items. * Remove all used disposable items and discard into the exterior large bins. [This includes used guest shampoos, soaps, and any disposable items used.] * All kitchen and bathroom bins must emptied and disposed to exterior large bins, located "&P3&". * Leaving beds and towels for the cleaners is ok (hang towels to dry if wet) * Ensure you depart with all your personal belongings. "&AY3&" WIFI * "&AA3&" GARBAGE BINS * "&P3&" * On departure, please ensure you take all your rubbish and any disposable item which has been used. LAUNDRY * "&N3&" CHROMECAST * "&BA3" TERMS & CONDITIONS * Our house rules can be viewed in the reservation and listing documentation. Confirming your reservations means you have agreed to these rules. Please contact your host in writing should you require any changes. HOUSE INFORMATION (includes location overview) * "&BC3&" CONTACT * It is a priority to ensure that you have a wonderful experience * phone "&AL3&" / email "&AM3&" Warmest regards"