I fear for you....
Your "PLAN" would scare the heck out of me and the DW would not even think about it. I love the idea behind full-timing but you really need to be prepared to do it... Here are a few things that scare me about the "plan"...JMHO
1- Stocks are down so I am happy you don't think that is $$$.
2- Renting your house is fine if it works out, but there are costs that can happen that will empty your piggy bank fast (don't ask how I know this). And if it does not rent or they move you still have insurance, taxes and etc.. costs rented or not. AND you must pay taxes on the rental income.
3- "Lastly we have applied for about 30k in credit cards " that is scary if you can't make the payments... along with only $14-18K, and you have OLD truck and trailer? What happens when they need to be replaced and you are $$$$$ in credit card debit?
What are your careers, and how do they fit the nomad life style?
But what the heck in your 20's go have a good time... I am old so think about all that other stuff.