Many would think it's a waste of time and money, but based on what we went through on a previous TT, I would def. hire a reputable independent RV tech if you don't have much experience with TTs. The cost is minimal and could save you a small amount or potentially many thousands of $$ as a worst case scenario.
A number of years ago, we bought a brand spanking new TT and on the 2nd day of ownership I took it to a local RV shop to buy some propane fittings & hose for a quick-connect fitting below the frame. The owner took a look underneath to see what I needed and immediately spotted a major issue with the frame. To make a long story short, after taking the TT to a gov't. certified inspection facility for a detailed inspection, we ended up getting the entire TT replaced under warranty. Lippert initially said it was fine. No inspection list would ever have picked that up.
There are many significant things that can go wrong that even experienced owners would never think to inspect or know enough if something is okay or seriously wrong. For ex., go to the TT forum and there's
this thread at the moment about someone with a new Dutchmen TT with a serious issue with the black tank. Even with a warranty, the owner is having major problems with the dealer and Keystone and his TT has been in the shop most of the time since taking possession. Met a couple in a CG that had bought a new Keystone TT. I had a severe roof leak from day one. Several trips to the dealer did not fix it. Got sent to the factory and they only made it worse. Lots of examples out there if you read through enough posts on RV forums.
Even with a warranty, getting things fixed properly by the dealer, RV manufacturer and/or component manufacturer can be difficult. Sometimes they will even refuse to accept liability to do a repair. Some dealers can be inept at fixing things (BTDT with 2 dealers). Sometimes an RV can sit for weeks & weeks in the camping season waiting to get repairs done. Best not to think if something ever breaks it will simply get fixed under warranty or quickly.
It's good that you are thinking about this in advance! TTs in general can have all sorts of quality issues from minor to severe for a number of reasons and it's best to do what you can to minimize the chances of ever getting problems from the outset.
Okay, so now I see that it is a Lance TT...
😞 They are about as good as they get for quality, but are not immune to defects in materials or workmanship. An inspection for a couple hundred $$ would still be a good investment I think.