I just had to take extra money out of my personal account and funnel into my rental account. 

Plus the added requirements around getting drawings and general contractor for even adding a tiny closet.

We abated the walls, and that added $10,000 to our costs.

Consider a HELOC for value-added BRRRRs or flips if you have a low interest rate.

From an operational standpoint you might also want to consider the cost of any extra tax returns that are needed by the entity as well as any extra accounting fees.Good Luck!

Steve if you can go without buidling the extra garage below the ADU it will save a lot of money. if you can get two studios it will do much better than one ADU.

Now, say in yr 2 you have to do added work and spend another $10k of improvements.

I have found that going that extra mile, like the couch covers etc and making sure the person with the disability has the easiest time visiting our place.As someone with a disability (I have a degenerative neurological disorder) and use a cane, I like to make sure folks with similar issues have a good time.

While the heater issue adds extra stress, addressing it promptly will protect you from further fines and penalties.

Patio door prices can depend on the Model of Patio door you are looking for, for a standard 60x80 in white it will cost $1900.00 colors can be added, and for a patio door 72x80 the cost will be $2100.00 Outswing for a 60x80 will cost $2600.00 installed, and for an outswing 72x80 it will cost $2700.00 installed outswing with Grills for a 60x80 costs $1860.00, and an outswing 72x80 will cost $2300.00 installed.You also add blinds to all sliding and outswing patio doors for an additional charge.