Then (if your experienced) check it out thoroughly, mechanicals, plumbing, roof & roof joist sag & the proverbial foundation issues aka floor tilt or 'flooring vertigo' as my wife calls it.Repair costs add up fast.Up here if you rehab ....... any outside walls you may be required to install all new insulin in the outer walls. .... any window replacement will need to meet egress codes. .... 

Keep in the existing insul in place unless its blown in cellulose.

BUT it will be free to Canadians but big Pharma here will charge for it like they do for insulin, yet another CDN discovery, (Dr.