There might not be problems getting into Thailand but if this gets rapidly out of hand then leaving might become an issue especially if they close all the ports down. Let's be honest, anything is possible.
For inbound journey, traffic will be quite heavy so train/BTS might be a better option if you are not carrying a lot of luggage as trains can be busy too.
Barons for me for last 30 years now. You get what you pay for and never had any problems with their shirts, trousers and suits. Will also monogram them if you want. Sukhumvit road between soi 7 & 5.
Another point to consider is the Breakfast (where it's included). If it's LT then the hotel restaurant might pick a fuss if you have only paid as single occupant.