Though SSDs offer very fast access, they are relatively smaller and run out more quickly.
If you are tight on space, you could use the following tool to get out of it quickly.
On Ubuntu, you can do the following to get the tool QDirStat.
$ sudo add-apt-repository ppa:nathan-renniewaldock/qdirstat
$ sudo apt-get update
$ sudo apt-get install qdirstat
Once you have it installed, you could easily find the largest files and folder. Directly use the visual blocks to select the file/folder and could delete it with del or ctrl-del. Drives usually follow 80:20 rule. i.e. 80% of the space will be taken up by 20% of large files. If you identify few unwanted files, you can quickly save up GBs with out sweating out.
Happy spring cleaning.