Hi Henk,
When you need to transport heavy thinks try to rent such a device.
>
https://www.youtube.com/watch?v=iMAIv3fRSOM
https://www.youtube.com/watch?v=duaOQJMWDJg
>
I was able to bring all my heavy stuff in the basement with them. Has
cost me 60Euro for a day and it was very very easy to handle.
Many Greetings
Ulrich