-Has no crawlspace (common for older properties) so we couldn't see the foundation-Drywood termite/wood decaying fungi damage seen on all the windows/doors/parts of the beam on the exterior, parts of roof decking and rafters in the attic-Old leaks/moisture damage seen in the ceilings and attic-Parts of the roof has patch work-Roof doesn't have any permits on record (don't know how old it is)Seller's offer to me:-Fumigation treatment for drywood termites (tenting the house)-Replace and repair all damage wood throughout the house-Replace the entire roof with a new permit-Replace one window in every room (not all)-Pay for a structural engineer to inspect the foundation-Offer to get quotes for repairs and have a 15-20K budget to make all repairs, house is 500K.

If any of you could help me determine what kind of property damage I should avoid either because it costs too much to fix or it is just too difficult/ time consuming (things like termites, gas lines needing repair, roofing, etc.).

Block is still a good insulator, water/termite resistant, and hurricane proof, while there's room for improvement in windows, insulation, AC efficiency etc.

I plan to short term it when I'm not living in it so I designed it with an additional vertical guest bed to the right of the living room and with extra dresser space in the bedroom in case of long term tenants.

If property is not redeemed I get a deed in the mail.REally like this play for assets that are inexpensive.. and your paying cash.. risk is minimal to nill and as long as your play is simply rent and keep very long term.. its a genius move.. most folks are so worried that you have little to no competition..  !!!! 

Or call your preferred settlement agent and ask them to provide their seller settlement costs, then add in any commissions, HOA, termite/moisture inspection if required, etc.

After inspection, we discover there's drywood termite damage, moisture/water leaks seen from the attic and ceiling, roof doesn't have a permit with old patches.

Termites hate steel . 

People very rarely regret holding long term. It

-Has no crawlspace (common for older properties) so we couldn't see the foundation-Drywood termite/wood decaying fungi damage seen on all the windows/doors/parts of the beam on the exterior, parts of roof decking and rafters in the attic-Old leaks/moisture damage seen in the ceilings and attic-Parts of the roof has patch work-Roof doesn't have any permits on record (don't know how old it is)Seller's offer to me:-Fumigation treatment for drywood termites (tenting the house)-Replace and repair all damage wood throughout the house-Replace the entire roof with a new permit-Replace one window in every room (not all)-Pay for a structural engineer to inspect the foundation-Offer to get quotes for repairs and have a 15-20K budget to make all repairs, house is 500K.