Ebay and Amazon are good. However, if you are looking to expand then the suggestion to have your own eshop is very viable. With other sites you would have limits to your earnings but with your site you can earn a lot over time.
this https://www.google.com.mx/url?sa=t&source=web&rct=j&url=https://play.google.com/store/apps/details%3Fid%3Dcom.tomtom.speedcams.android.map%26hl%3Des%26referrer%3Dutm_source%253Dgoogle%2526utm_medium%253Dorganic%2526utm_term%253Dtr%25C3%25A1fico%2Bof%2Beurope%2Bapp%26pcampaignid%3DAPPU_1_FFmbWeTsJ-KI0wLujJfoCQ&ved=0ahUKEwjkxo3gqunVAhVixFQKHW7GBZ0Q8oQBCB0wAA&usg=AFQjCNEF-EBCr68TQ7bSBF4thXNTQb7a8A
while i would suggest craiglist, i think http://european-property.com/ could do just thr trick! hopefully this will help you. good luch selling the house!