also a host offering free hosting will most likely also be offering paid hosting, and if using the same server here is a scenario. his server is almost full with free hosting accounts and paid hosting accounts where he only has 3 GB space left on the server, so one day he gets a prospective paying client who needs 8GB of space and you on your free plan is using 5GB of space. so guess what will most likely happen as you are not paying, your site will be terminated to make way for the paid client and as you are not paying the host will not care that you have lost your site, no matter how much work you have put in