Just for a sample of power use per item in my TT:
Fridge 2.733 amps
BR fan .33 amps
Microwave 10.25 amps
AirCon 12.05 amps
Converter at idle .117 amps
Water heater 10.38 amps
Toaster 5.77 amps
Space heater 1500 watt 12.5 amps
Electric griddle 12.5 amps
Single serve coffee maker 6.67 amps
Granted, not all TT have the same appliances but this will give you an idea. Hopefully, the receptical and circuit you are plugging into is 20 amp vice 15. IF the supply line is all 12AWG to the receptical it can use a 20 amp circuit breaker per NEC.
Seperate issue. If you are going to be in the TT for an extended time, look into getting a 100# propane tank. Depending on your heating and cooking choices.
What about water and sewer in your situation?