Inimitable means your post is hard to recreate.

I had clients convert a Recreation Room into an ADU and it cost almost as much as if they had started from scratch.  

If you take two individual properties with similar dynamics such as cost, condition and rental potential, you can see very different results based on things like taxes and whether landlord/tenancy laws are more or less favorable.It really pays to understand the following factors:Property tax ratesProperty insurance ratesMunicipal landlord taxes (an IRA or 401k may not be exempt from certain local taxes)Local landlord/tenant laws – how easy is it to evict a tenant, for example.Local Market FactorsIn addition, you will want to look at things like neighborhood safety, quality of schools, access to transportation, proximity to shopping and recreation, and other factors that drive desirability.Investing in real estate is not really that different than any other type of investment.

Re-create the lease and have him sign the new one?

The property is multi use camping, Airbnb, recreational, venue.

No trailers, recreational vehicles, boats, etc.Here are some suggestions for fixing the problem.

I have owned a couple and as a recreational "toy" they are fairly expensive, I can't imagine the true cost of keeping one that others are using as "recreation".

@Jeremy Tillotson  8 acres generally is too small to log in the NW.. but I had a 11 acre one time I took 425k of timber off net to me.. so it possible but not probable unless your in the business and really know what your doing.8 acres for 20k in the NW is probably pretty remote... just guessing but it would most likely be remote .. and recreation would be the thing its for personal use not investment or anything like that.

I hope you keep in mind that us newbies are likely just in "awe" of you guys and want to emulate what you have done (we don't want to recreate a wheel you all have shown us works). 

With a garden cleanup, it will show well from the curb.Perfect for either a rental with excellent cashflow, owner-occupied or, with summer lake recreation and winter snow skiing nearby, even AirBnB.