You can definitely fill the cracks with epoxy, but the downside is that it wil never look good, or the way you truly want it to look, and if there are already a bunch of cracks, they will only get larger over time from settlement, or tree roots etc.  

What they are allergic to is one of the soaps or shampoos they are using.Tell them you will let them out of the lease early if they desire.

A month after that, it happened again and we learned the sewer line was destroyed by tree roots.

I try to estimate consumables such as soap, shampoo, tea, coffee etc for 6 months quantity and stock the locked closet with that much. 

While I'm on my soap box, anyone strating off in RE should go down to any state approved real estate school and buy the text and workbook used for the agent examination.

Well I am finally getting ready to take the plunge.I will outline my goal and scenario shortly however there are some handicaps and personal attributes that you need to be aware of first.Let's start with handicaps:Though I have lived in Canada for a few years now I never wanted or needed to establish a credit history as I wasn't planning to setup long term roots.

Real estate, both free and clear as well as mortgaged, cash, gold, silver, food, water, and tradeable commoddities: spices, salt, soaps, matches, etc.

Sometimes we do have to say “yeah, but not in our unit”, but we also know that the ideal tenant will not come no matter how long we hold out.We are unlikely to see appreciation, because the grass roots revitalization is moving at a snails pace.

That ONE chemical, (whatever it is) added to the chemical soup we live in, may be the tipping point at which your body descends into disabling conditions, probably temporary at first and if not stopped, can become permanent disability.Information re formaldehyde can be found through the links at http://users.lmi.net/wilworks/ehnlinx/f.htm#FormaldehydeOkay, off my fragrance free soap box for now!

original electric  maybe 60 to 100 amp , not enough for today , old steam boiler  ,  galvanized plumbing ,  terra cotta sewer pipe clogged with roots , 3 layers of shingles on a 12/12 pitch roof ,  termites , Lead paint , no fire escapes ,  the list goes on .