Whos using an agent in this transaction?
If you are the seller this would be a courtesy and will cost you about 475.00
first preferred mortgage-
I would ask you first "what does your Realtor recommend"?
Second I would suggest looking at other similar sales in the past few months, read the marketing remarks, what did they say about surveys?
Normally the buyer pays for any investigations and inspections.
As stated, if you do not have one, it is your choice if you want to do it or let the buyer know that they are welcome to do it at their expense if it is important to them.