The only cautioning I have, is to make sure you buy a NEW one that was manufactured recently. There are myriad issues with the mag followers, nose-diving, stove-piping, etc. Also, there have been issues reported regarding its ability to fire in DA mode; very soft striker strike. - 99.999999% of these issues are with the OLD / pre-gen 3 guns.
The only suggestion I would make is....
Instead of the PT145, get the PT 24/7 Pro C DS in .45 ACP. I have one and chose it over the PT145 for the following reasons....
1) extended capacity - mine can hold 12+1 vs 10+1
2) interchangable mags - uses the 24/7 mags which are more prevelant
3) decocker - hornet's nest issue for sure, BUT since this pistol is a SA/DA model, you can carry one in the pipe with no pressure on the striker spring, but it's still ready to shoot when the safety has been disengaged. The pt145 doesn't have one
4) hot chamber indicator - the pt145 doesn't have one.
5) red 'cocked' indicator - the pt145 does'nt have one.
6) the pt 24/7 pro c ds doesn't have the issues mentioned above for the pt145