Need Help With Wife's Wishes of Cremation and Fighting Landlord During The Hardest Situation in My Entire Life'   

I am Sarah's Husband and Her Caretaker To The End. She left this World On The 31st. Sarah Wished to Be Cremated and Will Cost 7k and I haven't gotten a second to Breathe or Grieve because of the situation the landlord put us in. It all started on the 12th and They're still sewage in the Tub. Either way I was forced to move Sarah due to the conditions he refused to fix. Which Made me Miss Being By Her Side When She Passed. Now The Landlord is Going to Sue Me for a 100k Stating I Wrecked & Damaged The Apartment. I Am Still Grieving & Very Overwhelmed. 
Please If You Can Spare Some Help...